Stainless Steel Self Tapping Screws Manufacturers in India
Self tapping screw torx head SS screws & 316 SS self tapping screws supplier
Table of Content
Stainless steel self tapping screws
1/4 stainless steel self tapping screws
Flange head self tapping screws
Specification of Stainless Steel Self Tapping Screws
- Slotted Round Head
- Pan Phillips (Cross Recessed) Head to DIN 7981 AND ISO 7049
- Slotted CSK Head to IS 7170/89, DIN 7972 AND ISO 1482
- CSK Phillips (Cross Recessed) Head to DIN 7982 AND ISO 7050
- Slotted Raised CSK Head to IS 7169/89 AND ISO 1483/1983
- Slotted Pan Head to IS 7173/89, DIN 7971 AND ISO 1481/1983
- Truss Phillips (Cross Recessed) Head
| Product name | Stainless Steel Self Tapping Screws |
|---|---|
| Place of Origin | India |
| Standard | ISO 7380, DIN, ASTM, ANSI, JIS, EN, AS, GB |
|
Passivation /plain |
| Stainless Steel Self Tapping Screws Size | M2 – M100 |
| Type | Pan/ Round/ Oval/ countersunk/ Truss head |
| Head | Pan head, flat head, oval head, hex head, phillips head |
| Stainless Steel Self Tapping Screws Usage | Electric Heating, Machine |
| Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
| Drive Style | Type I |
| Stainless Steel Self Tapping Screws Material | 18-8 Stainless Steel, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70, A4-80 |
| Thread Requirements | ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Finish | Per ASTM A380/A380M |
| Finishing | Zinc Plated(Yellow, White, Blue, Black), Hop Dip Galvanized (HDG) phosphorization, Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated, Brass Plated, Tin Plated, Black Plated, Copper Plated, Gold Plated, Salt fog test |
| Stock Products | Stainless steel: All DIN, GB Standard and part ASNI standard stainless steel Self Tapping Screws, Example: ISO7380, DIN7981, DIN7982, DIN916, DIN913, DIN7985, DIN912 |
| Specialized in | Stainless steel CSK philip screw, CSK socket screw, Pan head Ph screw, Pan head socket screw, Socket cap head screw, set screw, Pan head torx screw, CSK head trox screw, Wood screw |
| Production technology | Cold Forged |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
| MOQ | 10 pieces |
| Delivery time | Regular product is about 7-15 days, custom product will according to special requirement |
| Others | OEM, ODM, ±0.03MM tolerance |
| Surface treatment of stainless steel Self Tapping Screws |
|
| Tolerance of stainless steel Self Tapping Screws | +/-0.01mm to +/-0.05mm |
| Samples | Yes |
| Production Capacity | 2,700,000 pieces per month |
| Payment Terms | T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping |
SS Self tapping Screws Weight Chart
|
LENGTHS
|
#2
|
#3
|
#4
|
#5
|
#6
|
#8
|
#10
|
#12
|
1/4″
|
5/16″
|
3/8″
|
|
1/8
|
0.40 | 0.55 | 0.70 | 1.1 | 1.4 | — | — | — | — | — | — |
|
3/16
|
0.50 | 0.70 | 0.90 | 1.2 | 1.5 | 2.5 | 3.9 | — | — | — | — |
|
1/4
|
0.60 | 0.80 | 1.00 | 1.4 | 1.7 | 2.8 | 4.3 | 5.6 | 8.5 | — | — |
|
5/16
|
0.60 | 0.90 | 1.20 | 1.5 | 1.9 | 3.1 | 4.6 | 6.1 | 9.1 | 16.7 | — |
|
3/8
|
0.70 | 0.90 | 1.30 | 1.7 | 2.1 | 3.4 | 5.0 | 6.5 | 9.8 | 17.7 | 29.2 |
|
7/16
|
0.80 | 1.00 | 1.50 | 1.9 | 2.2 | 3.6 | 5.4 | 6.9 | 10.4 | 18.8 | 30.7 |
|
1/2
|
0.80 | 1.10 | 1.60 | 2.0 | 2.4 | 3.9 | 5.8 | 7.4 | 11.1 | 19.8 | 32.2 |
|
9/16
|
0.90 | 1.20 | 1.70 | 2.2 | 2.6 | 4.2 | 6.2 | 7.8 | 11.7 | 20.9 | 33.6 |
|
5/8
|
1.00 | 1.30 | 1.80 | 2.3 | 2.8 | 4.5 | 6.6 | 8.3 | 12.4 | 21.9 | 35.1 |
|
3/4
|
1.10 | 1.50 | 2.10 | 2.6 | 3.2 | 5.0 | 7.3 | 9.2 | 13.6 | 24.0 | 38.0 |
|
7/8
|
1.30 | 1.70 | 2.30 | 3.0 | 3.5 | 5.6 | 8.1 | 10.1 | 14.9 | 26.1 | 41.0 |
|
1″
|
1.40 | 1.90 | 2.50 | 3.4 | 3.9 | 6.2 | 8.9 | 11.0 | 16.1 | 28.8 | 44.0 |
|
1-1/8″
|
1.50 | 2.00 | 2.80 | 3.8 | 4.3 | 6.7 | 9.6 | 11.9 | 17.4 | 30.2 | 47.0 |
|
1-1/4″
|
1.60 | 2.20 | 3.00 | 4.1 | 4.6 | 7.3 | 10.4 | 12.8 | 18.7 | 32.3 | 49.8 |
|
1-1/2″
|
1.80 | 2.50 | 3.50 | 4.7 | 5.3 | 8.3 | 11.9 | 14.7 | 21.2 | 36.5 | 55.8 |
|
1-3/4″
|
2.10 | 2.90 | 4.00 | 5.3 | 6.1 | 9.4 | 13.5 | 16.5 | 23.7 | 40.7 | 61.7 |
|
2″
|
2.40 | 3.30 | 4.50 | 6.0 | 6.8 | 10.6 | 15.0 | 18.3 | 26.2 | 44.8 | 67.6 |
|
2-1/4″
|
2.60 | 3.60 | 5.00 | 6.7 | 7.6 | 11.8 | 16.6 | 20.1 | 28.8 | 19.0 | 73.5 |
|
2-1/2″
|
2.80 | 3.90 | 5.50 | 7.3 | 8.3 | 12.9 | 18.1 | 22.0 | 31.3 | 53.2 | 79.5 |
|
2-3/4″
|
3.10 | 4.30 | 6.00 | 7.9 | 9.1 | 13.9 | 19.7 | 23.8 | 33.9 | 57.3 | 85.3 |
|
3″
|
3.40 | 4.70 | 6.50 | 8.6 | 9.8 | 15.0 | 21.2 | 25.6 | 36.4 | 61.5 | 91.3 |
|
* Above are approximate weights and are based on pan head machine screws
|
|||||||||||
Csk Slotted Raised Head Self Tapping Screws Sizes
CSK SLOTTED RAISED HEAD SELF TAPPING SCREWS - IS 7169/89 (ISO 1483 : 1983) READ WITH IS 5957/2003 (ISO 1478 : 1999)
| SIZE | No 2 (2.2mm) |
No.4 (2.9mm) |
No 6 (3.5mm) |
No.8 (4.2mm) |
No 10 (4.8mm) |
No 12 (5.5mm) |
No. 14 (6.3mm) |
|
Dia of head (d2) MIN MAX |
3.5 |
5.2 |
6.9 |
8 |
8.9 |
9.9 |
10.9 |
|
3.8 |
5.5 |
7.3 |
8.4 |
9.3 |
10.3 |
11.3 |
|
|
NECK (K) MAX |
1.1 |
1.7 |
2.35 |
2.6 |
2.8 |
3 |
3.15 |
|
Slot Depth (t) Min Max |
0.8 |
1.2 |
1.4 |
1.6 |
2 |
2.2 |
2.4 |
|
1 |
1.45 |
1.7 |
1.9 |
2.4 |
2.6 |
2.8 |
|
|
Slot Width (n) Min Max |
0.56 |
0.86 |
1.06 |
1.26 |
1.26 |
1.66 |
1.66 |
|
0.7 |
1 |
1.2 |
1.51 |
1.51 |
1.91 |
1.91 |
|
|
DIA at thread (d1) Min Max |
2.1 |
2.76 |
3.35 |
4.04 |
4.62 |
5.28 |
6.03 |
|
2.24 |
2.9 |
3.53 |
4.22 |
4.8 |
5.46 |
6.25 |
Pan Head Slotted Self Tapping Screws Sizes
| SIZE |
No 2 (2.2mm) |
No.4 (2.9mm) |
No 6 (3.5mm) |
No.8 (4.2mm) |
No 10 (4.8mm) |
No 12 (5.5mm) |
No. 14 (6.3mm) |
|
Dia of head (d2) MIN MAX |
3.7 |
5.3 |
6.6 |
7.6 |
9.1 |
10.6 |
11.6 |
|
4 |
5.6 |
7 |
8 |
9.5 |
11 |
12 |
|
|
Height of Head(K) Min Max |
1.1 |
1.6 |
1.9 |
2.2 |
2.7 |
2.9 |
3.3 |
|
1.3 |
1.8 |
2.1 |
2.4 |
3 |
3.2 |
3.6 |
|
|
Slot Depth (t) Min |
0.5 |
0.7 |
0.8 |
1 |
1.2 |
1.3 |
1.4 |
|
Slot Width (n) Min Max |
0.56 |
0.86 |
1.06 |
1.26 |
1.26 |
1.66 |
1.66 |
|
0.7 |
1 |
1.2 |
1.51 |
1.51 |
1.91 |
1.91 |
|
|
DIA at thread (d1) Min Max |
2.1 |
2.76 |
3.35 |
4.04 |
4.62 |
5.28 |
6.03 |
|
2.24 |
2.9 |
3.53 |
4.22 |
4.8 |
5.46 |
6.25 |
Csk Slotted Head Self Tapping Screws Sizes
|
SIZE |
No 2 (2.2mm) |
No.4 (2.9mm) |
No 6 (3.5mm) |
No.8 (4.2mm) |
No 10 (4.8mm) |
No 12 (5.5mm) |
No. 14 (6.3mm) |
|
Dia of head (d2) MIN MAX |
3.5 |
5.2 |
6.9 |
8 |
8.9 |
9.9 |
10.9 |
|
3.8 |
5.5 |
7.3 |
8.4 |
9.3 |
10.3 |
11.3 |
|
|
NECK (K) MAX |
1.1 |
1.7 |
2.35 |
2.6 |
2.8 |
3 |
3.15 |
|
Slot Depth (t) Min Max |
0.4 |
0.60 |
0.90 |
1.00 |
1.10 |
1.10 |
1.20 |
|
0.6 |
0.85 |
1.20 |
1.30 |
1.40 |
1.50 |
1.60 |
|
|
Slot Width (n) Min Max |
0.56 |
0.86 |
1.06 |
1.26 |
1.26 |
1.66 |
1.66 |
|
0.7 |
1 |
1.2 |
1.51 |
1.51 |
1.91 |
1.91 |
|
|
DIA at thread (d1) Min Max |
2.1 |
2.76 |
3.35 |
4.04 |
4.62 |
5.28 |
6.03 |
|
2.24 |
2.9 |
3.53 |
4.22 |
4.8 |
5.46 |
6.25 |
Cross Recessed Pan Phillips Head Self Tapping Screws Sizes
|
SIZE |
No 2 (2.2mm) |
No.4 (2.9mm) |
No 6 (3.5mm) |
No.8 (4.2mm) |
No 10 (4.8mm) |
No 12 (5.5mm) |
No. 14 (6.3mm) |
|
Dia of head (d2) MAX |
4.2 |
5.6 |
6.9 |
8.2 |
9.5 |
10.8 |
12.5 |
|
Height of Head(K) Max |
1.8 |
2.2 |
2.6 |
3.05 |
3.55 |
3.95 |
4.55 |
|
Recess No |
1 |
1 |
2 |
2 |
2 |
3 |
3 |
|
DIA at thread (d1) Min Max |
2.1 |
2.76 |
3.35 |
4.04 |
4.62 |
5.28 |
6.03 |
|
2.24 |
2.9 |
3.53 |
4.22 |
4.8 |
5.46 |
6.25 |
Cross Recessed Csk Phillips Head Self Tapping Screws Sizes
| SIZE |
No 2 (2.2mm) |
No.4 (2.9mm) |
No 6 (3.5mm) |
No.8 (4.2mm) |
No 10 (4.8mm) |
No 12 (5.5mm) |
No. 14 (6.3mm) |
|
Dia of head (d2) MAX |
4.3 |
5.5 |
6.8 |
8.1 |
9.5 |
10.8 |
12.4 |
|
Height of Head(K) Max |
1.3 |
1.7 |
2.1 |
2.5 |
3 |
3.4 |
3.8 |
|
Recess No |
1 |
1 |
2 |
2 |
2 |
3 |
3 |
|
DIA at thread (d1) Min Max |
2.1 |
2.76 |
3.35 |
4.04 |
4.62 |
5.28 |
6.03 |
|
2.24 |
2.9 |
3.53 |
4.22 |
4.8 |
5.46 |
6.25 |
Drive Screws Type U Round Head Dimensions
| SIZE |
No 2 (2.2mm) |
No.4 (2.9mm) |
No 6 (3.5mm) |
No.8 (4.2mm) |
No 10 (4.8mm) |
No 12 (5.5mm) |
No. 14 (6.3mm) |
|
Dia of head (d2) MAX |
4.3 |
5.5 |
6.8 |
8.1 |
9.5 |
10.8 |
12.4 |
|
Height of Head(K) Max |
1.3 |
1.7 |
2.1 |
2.5 |
3 |
3.4 |
3.8 |
|
Recess No |
1 |
1 |
2 |
2 |
2 |
3 |
3 |
|
DIA at thread (d1) Min Max |
2.1 |
2.76 |
3.35 |
4.04 |
4.62 |
5.28 |
6.03 |
|
2.24 |
2.9 |
3.53 |
4.22 |
4.8 |
5.46 |
6.25 |
Flat Head 100° Self Tapping Machine Screws Dimensions
| Nominal Size | A | H | J | T | M | G | N | Phillips Driver Size |
|||||
| Head Diameter | Height of Head | Width of Slot | Depth of Slot | Dimensions of Recess | |||||||||
| Diameter | Depth | Width | |||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | ||
| 2 4 5 6 7* 8 9* 10 12 14* 1/4 5/16 3/8 1/2 |
.172 .225 .252 .279 .305 .332 .358 .385 .438 .491 .507 .635 .762 .875 |
147 .195 .220 .244 .268 .292 .316 .340 .389 .437 .452 .568 .685 775 |
.051 .067 .075 .083 .091 .100 .108 .116 .132 .148 .153 .191 .230 .223 |
.040 .055 .062 .069 .076 .084 .091 .098 .112 .127 .131 .165 .200 .198 |
.031 .039 .043 .048 .048 .054 .054 .060 .067 .075 .075 .084 .094 .106 |
.023 .031 .035 .039 .039 .045 .045 .050 .056 .064 .064 .072 .081 .091 |
.023 .030 .034 .038 .041 .045 .049 .053 .060 .068 .070 .088 .106 .103 |
.015 .020 .022 .024 .027 .029 .032 .034 .039 .044 .046 .058 .070 .065 |
.102 .128 .154 .174 .182 .189 .258 .204 .268 .283 .283 .365 .393 .424 |
.089 .115 .141 .161 .169 .176 .245 .191 .255 .270 .270 .352 .380 .411 |
.063 .089 .086 .106 .114 .121 .146 .136 .156 .171 .171 .216 .245 .276 |
.017 .018 .027 .029 .030 .031 .034 .032 .036 .039 .035 .061 .065 .069 |
1 1 2 2 2 2 2 2-3* 3 3 3 4 4 4 |
Self Tapping Machine Screws Head Dimensions
This recess has a squam center opening slightly tapered side walls with a conical bottom.
| Nominal Size or Basic Screw Diameter | M Recess Square |
T Recess Depth |
Drive Size |
F Penetration Gauging Depth |
|||||||||||||||||||||||||
| Max | Min. | Min. | Max. | Max. | Min. | ||||||||||||||||||||||||
|
0.071 0.071 0.091 0.091 0.091 0.1126 0.1126 0.133 0.133 0.191 0.191 |
0.0696 0.0696 0.090 0.090 0.090 0.111 0.111 0.1315 0.1315 0.1895 0.1895 |
0.073 0.073 0.113 0.113 0.113 0.140 0.140 0.165 0.165 0.201 0.201 |
0.063 0.063 0.105 0.105 0.105 0.119 0.119 0.155 0.155 0.191 0.191 |
0 0 1 1 1 2 2 3 3 4 4 |
0.038 0.038 0.065 0.065 0.065 0.075 0.075 0.095 0.095 0.100 0.100 |
0.032 0.032 0.057 0.057 0.057 0.065 0.065 0.085 0.085 0.090 0.090 |
||||||||||||||||||||||
Hex Head
| Nominal Size |
A | W | H | F | U | J | T | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Width Across Flats |
Width Across Corners |
Height of Head |
Diameter of Washer |
Thickness of Washer |
Width of Slot |
Depth of Slot |
|||||||
| Max. | Min. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |
| 4 6 7 8 10 12 14 1/4 5/16 3/8 |
.187 .250 .250 .250 .312 .312 .438 .375 .500 .562 |
.181 .244 .244 .244 .305 .305 .428 .367 .489 .551 |
.202 .272 .272 .272 .340 .340 .409 .409 .545 .614 |
.060 .093 .093 .110 .120 .155 .190 .190 .230 .295 |
.049 .080 .080 .096 .105 .139 .172 .172 .208 .270 |
.243 .328 .328 .348 .414 .432 .520 .520 .676 .780 |
.225 .302 .302 .322 .384 .398 .480 .480 .624 .720 |
.019 .025 .029 .031 .031 .039 .050 .050 .055 .063 |
.011 .015 .017 .019 .019 .022 .030 .030 .035 .037 |
.039 .048 .048 .054 .060 .067 .075 .075 .084 .094 |
.031 .039 .039 .045 .050 .056 .064 .064 .072 .081 |
.042 .053 .062 .074 .080 .103 .111 .111 .134 .168 |
.025 .033 .040 .052 .057 .077 .083 .083 100 .131 |
Oval Head
| Nominal Size |
A | H | O | J | T | M | G | N | Phillips Driver Size |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Head Diameter | Height of Head | Width of Slot | Depth of Slot | Dimensions of Recess | ||||||||||||
| Side Height | Total Height | Diameter | Depth | Width | ||||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||
| 4 5* 6 8 9* 10 12 14* 1/4 |
.225 .252 .279 .332 .358 .385 .438 .491 .507 |
.195 .220 .244 .292 .316 .340 .389 .452 .452 |
.067 .075 .083 .100 .108 .116 .132 .148 .153 |
.054 .062 .069 .084 .091 .098 .112 .127 .131 |
.104 .116 .128 .152 .164 .176 .200 .224 .232 |
.084 .095 .105 .126 .137 .148 .169 .190 .197 |
.039 .043 .048 .054 .054 .060 .067 .075 .075 |
.031 .035 .039 .045 .045 .050 .056 .064 .064 |
.059 .067 .074 .088 .095 .103 .117 .132 .136 |
.049 .055 .060 .072 .078 .084 .096 .108 .112 |
.136 .158 .178 .192 .216 .209 .270 .305 .290 |
.123 .145 .165 .179 .203 .196 .257 .292 .277 |
.094 .085 .105 .119 .144 .137 .152 .188 .173 |
.019 .028 .030 .031 .034 .033 .038 .042 .040 |
1 2 2 2 2 2-3* 3 3 3 |
|
Pan Head
| Nominal Size |
A | H | H1 | J | T | M | G | N | Phillips Driver Size |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Head Diameter | Height of Head | Width of Slot | Depth of Slot | Dimensions of Recess | ||||||||||||
| Slotted | Recessed | Diameter | Depth | Width | ||||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||
| 2 3 4 5 6 7 8 10 12 1/4 5/16 3/8 |
.167 .193 .219 .245 .270 .296 .322 .373 .425 .492 .615 .740 |
.155 .180 .205 .231 .256 .281 .306 .357 .407 .473 .594 .716 |
.053 .060 .068 .075 .082 .089 .096 .110 .125 .144 .178 .212 |
.045 .051 .058 .065 .072 .079 .085 .099 .112 .130 .162 .195 |
.062 .071 .080 .089 .097 .106 .115 .133 .151 .175 .218 .261 |
.053 .062 .070 .079 .087 .096 .105 .122 .139 .162 .203 .244 |
.031 .035 .039 .043 .048 .048 .054 .060 .067 .075 .084 .094 |
.023 .027 .031 .035 .039 .039 .045 .050 .056 .064 .072 .081 |
.031 .036 .040 .045 .050 .054 .058 .068 .077 .087 .106 .124 |
.022 .026 .030 .034 .037 .041 .045 .053 .061 .070 .085 .100 |
.104 .112 .122 .158 .166 .176 .182 .199 .259 .281 .350 .389 |
.091 .099 .109 .145 .153 .163 .169 .186 .246 .268 .337 .376 |
.059 .068 .078 .083 .091 .100 .108 .124 .141 .161 .193 .233 |
.017 .019 .019 .028 .028 .029 .030 .031 .034 .036 .169 .210 |
1 1 1 2 2 2 2 2 3 3 4 4 |
|
Head Dimensions
| G | H | J | A | M | T | F | N | ||||||
| Screw Size |
Head Dimensions |
Slot Dimemsions |
Recess Dimensions |
Driver Size |
|||||||||
| Head Diam. |
Head Height |
Width | Depth | Width | Depth | Max. Rad |
Min. Wing Width |
Recess Penetration |
|||||
| Max. | Min. | Max. | Min. | Max. | Min. | ||||||||
| 0 | .116 .104 |
.044 .036 |
— | — | — | — | .067 .054 |
.039 .021 |
.010 | .013 | .032 | .014 | 0 |
| 1 | .142 .130 |
.053 .044 |
— | — | — | — | .074 .061 |
.045 .025 |
.010 | .014 | .040 | .022 | 0 |
| 2 | .167 .155 |
.062 .053 |
.031 | .023 | .031 | .022 | .104 .091 |
.059 .041 |
.020 | .017 | .052 | .034 | 1 |
| 3 | .193 .180 |
.071 .062 |
.035 | .027 | .036 | .026 | .112 .099 |
.065 .050 |
.020 | .019 | .061 | .043 | 1 |
| 4 | .219 .205 |
.080 .070 |
.039 | .031 | .040 | .030 | .122 .109 |
.078 .060 |
.020 | .019 | .071 | .053 | 1 |
| 5 | .245 .231 |
.089 .079 |
.043 | .035 | .045 | .034 | .158 .145 |
.083 .057 |
.025 | .028 | .072 | .046 | 2 |
| 6 | .270 .256 |
.097 .087 |
.048 | .039 | .050 | .037 | .166 .153 |
.091 .066 |
.025 | .028 | .080 | .055 | 2 |
| 7 | .296 .281 |
.106 .096 |
.048 | .039 | .054 | .041 | .176 .163 |
.100 .075 |
.025 | .029 | .089 | .064 | 2 |
| 8 | .322 .306 |
.115 .105 |
.054 | .045 | .058 | .045 | .182 .169 |
.108 .082 |
.025 | .030 | .097 | .071 | 2 |
| 10 | .373 .357 |
.133 .122 |
.060 | .050 | .068 | .053 | .199 .186 |
.124 .100 |
.025 | .031 | .113 | .089 | 2 |
| 12 | .425 .407 |
.151 .139 |
.067 | .056 | .077 | .061 | .259 .246 |
.141 .115 |
.030 | .034 | .124 | .098 | 3 |
| 1/4 | .492 .473 |
.175 .162 |
.075 | .064 | .087 | .070 | .281 .268 |
.161 .135 |
.030 | .036 | .144 | .118 | 3 |
| 5/16 | .615 .594 |
.218 .203 |
.084 | .072 | .106 | .085 | .350 .337 |
.193 .169 |
.035 | .059 | .173 | .149 | 4 |
| 3/8 | .740 .716 |
.261 .244 |
— | — | — | — | .389 .376 |
.233 .210 |
.035 | .065 | .213 | .190 | 4 |
| 7/16 | .863 .838 |
.304 .286 |
— | — | — | — | .413 .400 |
.259 .234 |
.035 | .068 | .239 | .214 | 4 |
| 1/2 | .987 .958 |
.348 .327 |
— | — | — | — | .435 .422 |
.280 .255 |
.035 | .071 | .260 | .235 | 4 |
Square Drive Pan Head
| Nominal Size or Basic Screw Diameter |
H | R | M | T | Driver Size |
P | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Head Height |
Head Radius |
Recess Square |
Recess Depth |
Penetration Gauging Depth |
||||||||||||||
| Max | Min | Min | Max | Min | Max | Min | Max | Min | ||||||||||
|
0.078 0.086 0.095 0.103 |
0.067 0.075 0.083 0.091 |
0.010 0.010 0.015 0.015 |
0.071 0.071 0.091 0.091 |
0.0696 0.0696 0.090 0.090 |
0.073 0.073 0.113 0.113 |
0.063 0.063 0.105 0.105 |
0 0 1 1 |
0.038 0.038 0.065 0.065 |
0.032 0.032 0.057 0.057 |
||||||||
|
0.111 0.120 0.137 0.153 |
0.099 0.107 0.123 0.139 |
0.015 0.015 0.020 0.025 |
0.091 0.112 0.112 0.133 |
0.090 0.111 0.111 0.1315 |
0.113 0.140 0.140 0.165 |
0.105 0.119 0.119 0.155 |
1 2 2 3 |
0.065 0.075 0.075 0.095 |
0.057 0.065 0.065 0.085 |
||||||||
|
0.175 0.216 0.256 |
0.160 0.198 0.237 |
0.035 0.040 0.040 |
0.133 0.191 0.191 |
0.1315 0.1895 0.1895 |
0.165 0.201 0.201 |
0.155 0.191 0.191 |
3 4 4 |
0.095 0.100 0.100 |
0.085 0.090 0.090 |
||||||||
Pan Head Torx® Drive
| Screw Size |
Head Dimensions | Recess Dimensions | |||||
|---|---|---|---|---|---|---|---|
| D | H | R | G | (Fallaway) Penetration |
|||
| Head Diameter |
Head Height |
Ref. | Gage Penetration |
||||
| Max. | Min. | Max. | Min. | Min. | Max. | ||
| 4 6 8 10 |
.219 .270 .322 .372 |
.205 .256 .306 .357 |
.080 .097 .115 .133 |
.070 .087 .105 .122 |
.111 .132 .155 .178 |
.035 .045 .055 .070 |
.016 .020 .025 .025 |
Truss Head
| Nominal Size |
A | H | J | T | M | G | N | Phillips Driver Size |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Head Diameter | Height of Head | Width of Slot | Depth of Slot | Dimensions of Recess | |||||||||
| Diameter | Depth | Width | |||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | ||
| 4 6 8 10 1/4 5/16 3/8 |
.257 .321 .384 .448 .573 .698 .823 |
.241 .303 .364 .425 .546 .666 .787 |
.069 .086 102 .118 .150 .183 .215 |
.059 .074 .088 103 133 162 .191 |
— .048 .054 .060 .075 .084 .094 |
— .039 .045 .050 .064 .072 .081 |
— .050 .058 .068 .087 .106 .124 |
— .037 .045 .053 .070 .085 .100 |
.112 .158 .173 .188 .263 .352 — |
.099 145 .160 .175 .250 .339 — |
.069 .084 .099 .115 .143 .193 — |
.017 .027 .029 .030 .033 .059 — |
1 2 2 2 3 4 — |
Threads and Points for Thread Cutting Screws and Self-Tapping Screws
| Nominal Size or Basic Screw Diameter |
Threads per Inch |
D | P | S | L | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Major Diameter |
Point Diameter |
Point Taper Length | Determinant Length for Point Taper |
Minimum Practical Screw Length |
|||||||||||||||||
| For Short Screws | For Long Screws | ||||||||||||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | 90° Heads |
Csk Heads | 90° Heads |
Csk Heads | ||||||||||
|
56 40 32 |
0.0860 0.1120 0.1380 |
0.0813 0.1061 0.1312 |
0.068 0.087 0.107 |
0.061 0.078 0.096 |
0.062 0.088 0.109 |
0.045 0.062 0.078 |
0.080 0.112 0.141 |
0.062 0.088 0.109 |
5/32 7/32 1/4 |
3/16 1/4 5/16 |
5/32 3/16 1/4 |
3/16 1/4 5/16 |
||||||||
|
32 24 32 |
0.1640 0.1900 0.1900 |
0.1571 0.1818 0.1831 |
0.132 0.148 0.158 |
0.122 0.135 0.148 |
0.109 0.146 0.109 |
0.078 0.104 0.078 |
0.141 0.188 0.141 |
0.109 0.146 0.109 |
1/4 11/32 1/4 |
11/32 7/16 11/32 |
1/4 5/16 1/4 |
5/16 13/32 5/16 |
||||||||
|
24 20 18 16 |
0.2160 0.2500 0.3125 0.3750 |
0.2078 0.2408 0.3026 0.3643 |
0.174 0.200 0.257 0.312 |
0.161 0.184 0.239 0.293 |
0.146 0.175 0.194 0.219 |
0.104 0.125 0.139 0.156 |
0.188 0.225 0.250 0.281 |
0.146 0.175 0.194 0.219 |
11/32 13/32 15/32 1/2 |
7/16 17/32 19/32 11/16 |
5/16 3/8 7/16 15/32 |
13/32 1/2 9/16 5/8 |
||||||||
Self Tapping Machine Screws Tolerance
| Nominal Screw Size | O thru l2 | 1/4 thru 3/4 |
|---|---|---|
| Nominal Screw Length | Tolerance on Length | |
| Up to 1/2 in., Incl. Over 1/2 to 1 in., Incl. Over 1 to 2 in., Incl. Over 2 in. |
-0.02 -0.03 -0.06 -0.09 |
-0.03 -0.03 -0.06 -0.09 |
Threads For Self Tappings Screws
| Size | A | W | H | F | U | J | T | D | d | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Width Across Flats |
Width Across Corner |
Head Height | Washer Diam. | Washer Thickness | Slot Width | Slot Depth | Major Diam. | Minor Diam. | |||||||||
| Max. | Min. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |
| 6-18 7-16 8-15 10-12 |
.250 .250 .250 .258 |
.244 .244 .244 .244 |
.272 .272 .272 .272 |
.093 .093 .110 .110 |
.080 .080 .096 .096 |
.328 .328 .348 .414 |
.302 .302 .322 .384 |
.025 .029 .031 .031 |
.015 .017 .019 .019 |
.048 .048 .054 .054 |
.039 .039 .045 .045 |
.053 .062 .074 .074 |
.033 .040 .052 .052 |
.141 .158 .168 .194 |
.136 .152 .162 .188 |
.102 .114 .123 .133 |
.096 .108 .116 .126 |
|
DIAMETERS
|
|||||||||||
|
LENGTHS
|
#2
|
#3
|
#4
|
#5
|
#6
|
#8
|
#10
|
#12
|
1/4″
|
5/16″
|
3/8″
|
|
1/8
|
0.40 | 0.55 | 0.70 | 1.1 | 1.4 | — | — | — | — | — | — |
|
3/16
|
0.50 | 0.70 | 0.90 | 1.2 | 1.5 | 2.5 | 3.9 | — | — | — | — |
|
1/4
|
0.60 | 0.80 | 1.00 | 1.4 | 1.7 | 2.8 | 4.3 | 5.6 | 8.5 | — | — |
|
5/16
|
0.60 | 0.90 | 1.20 | 1.5 | 1.9 | 3.1 | 4.6 | 6.1 | 9.1 | 16.7 | — |
|
3/8
|
0.70 | 0.90 | 1.30 | 1.7 | 2.1 | 3.4 | 5.0 | 6.5 | 9.8 | 17.7 | 29.2 |
|
7/16
|
0.80 | 1.00 | 1.50 | 1.9 | 2.2 | 3.6 | 5.4 | 6.9 | 10.4 | 18.8 | 30.7 |
|
1/2
|
0.80 | 1.10 | 1.60 | 2.0 | 2.4 | 3.9 | 5.8 | 7.4 | 11.1 | 19.8 | 32.2 |
|
9/16
|
0.90 | 1.20 | 1.70 | 2.2 | 2.6 | 4.2 | 6.2 | 7.8 | 11.7 | 20.9 | 33.6 |
|
5/8
|
1.00 | 1.30 | 1.80 | 2.3 | 2.8 | 4.5 | 6.6 | 8.3 | 12.4 | 21.9 | 35.1 |
|
3/4
|
1.10 | 1.50 | 2.10 | 2.6 | 3.2 | 5.0 | 7.3 | 9.2 | 13.6 | 24.0 | 38.0 |
|
7/8
|
1.30 | 1.70 | 2.30 | 3.0 | 3.5 | 5.6 | 8.1 | 10.1 | 14.9 | 26.1 | 41.0 |
|
1″
|
1.40 | 1.90 | 2.50 | 3.4 | 3.9 | 6.2 | 8.9 | 11.0 | 16.1 | 28.8 | 44.0 |
|
1-1/8″
|
1.50 | 2.00 | 2.80 | 3.8 | 4.3 | 6.7 | 9.6 | 11.9 | 17.4 | 30.2 | 47.0 |
|
1-1/4″
|
1.60 | 2.20 | 3.00 | 4.1 | 4.6 | 7.3 | 10.4 | 12.8 | 18.7 | 32.3 | 49.8 |
|
1-1/2″
|
1.80 | 2.50 | 3.50 | 4.7 | 5.3 | 8.3 | 11.9 | 14.7 | 21.2 | 36.5 | 55.8 |
|
1-3/4″
|
2.10 | 2.90 | 4.00 | 5.3 | 6.1 | 9.4 | 13.5 | 16.5 | 23.7 | 40.7 | 61.7 |
|
2″
|
2.40 | 3.30 | 4.50 | 6.0 | 6.8 | 10.6 | 15.0 | 18.3 | 26.2 | 44.8 | 67.6 |
|
2-1/4″
|
2.60 | 3.60 | 5.00 | 6.7 | 7.6 | 11.8 | 16.6 | 20.1 | 28.8 | 19.0 | 73.5 |
|
2-1/2″
|
2.80 | 3.90 | 5.50 | 7.3 | 8.3 | 12.9 | 18.1 | 22.0 | 31.3 | 53.2 | 79.5 |
|
2-3/4″
|
3.10 | 4.30 | 6.00 | 7.9 | 9.1 | 13.9 | 19.7 | 23.8 | 33.9 | 57.3 | 85.3 |
|
3″
|
3.40 | 4.70 | 6.50 | 8.6 | 9.8 | 15.0 | 21.2 | 25.6 | 36.4 | 61.5 | 91.3 |
|
* Weights above are approximate and are based on pan head machine screws
|
|||||||||||
Price List of Stainless Steel Self Tapping Screws
| Product | Price in USD |
|---|---|
| NO.10 X 1/2 Socket Cap Head Self Tapping Screws | US $0.7 |
| NO.10 X 5/8 Socket Cap Head Self Tapping Screws | US $0.8 |
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