PRODUCT CATALOG
Socket Head Cap ScrewsFlat Head Socket Cap ScrewsButton Head Socket Cap ScrewsLow Head Socket Cap ScrewsSocket Head Shoulder BoltsSocket Head Set ScrewsSquare Head Set ScrewsStainless Socket Head FastenersMetric Socket Head FastenersHi Collar Lock WashersDowel PinsSocket Pressure PlugsSocket Hex Keys Standard & Metric
INFORMATION
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Fabrication
Match your socket head cap screws with the correct size hex key for easier and proper use.
Number Cap Screws
| Screw Size | Decimal Equiv. |
Hex Key | Screw Head | Counterbore | Countersink Diam, in. 60° (C) |
Clearance Drills (D) |
|||
|---|---|---|---|---|---|---|---|---|---|
| Diam, in | Height, in | Diam, in (A) |
Depth, in (B) |
Norm. Fit | Close Fit | ||||
| No. 0 | 0.060 | 0.050 | 0.096 | 0.060 | 1/8 | 0.060 | 0.074 | #49 | #51 |
| No. 1 | 0.073 | 1/16 | 0.118 | 0.073 | 5/32 | 0.073 | 0.087 | #43 | #46 |
| No. 2 | 0.086 | 5/64 | 0.140 | 0.086 | 3/16 | 0.086 | 0.102 | #36 | 3/32" |
| No. 3 | 0.099 | 5/64 | 0.161 | 0.099 | 7/32 | 0.099 | 0.115 | #31 | #36 |
| No. 4 | 0.112 | 3/32 | 0.183 | 0.112 | 7/32 | 0.112 | 0.130 | #29 | 1/8" |
| No. 5 | 0.125 | 3/32 | 0.205 | 0.125 | 1/4 | 0.125 | 0.145 | #23 | 9/64" |
| No. 6 | 0.138 | 7/64 | 0.226 | 0.138 | 9/32 | 0.138 | 0.158 | #18 | #23 |
| No. 8 | 0.164 | 9/64 | 0.270 | 0.164 | 5/16 | 0.164 | 0.188 | #10 | #15 |
| No. 10 | 0.190 | 5/32 | 0.312 | 0.190 | 3/8 | 0.190 | 0.218 | #2 | #5 |
| No. 12 | 0.216 | 5/32 | 0.345 | 0.216 | 13/32 | 0.216 | — | 1/4" | 15/64" |
Fractional Cap Screws
| Screw Size | Decimal Equiv. |
Hex Key | Screw Head | Counterbore | Countersink Diam, in. 60° (C) |
Clearance Drills (D) |
|||
|---|---|---|---|---|---|---|---|---|---|
| Diam, in | Height, in | Diam, in (A) |
Depth, in (B) |
Norm. Fit | Close Fit | ||||
| 1/4" | 0.250 | 3/16 | 0.375 | 0.250 | 7/16 | 0.250 | 0.278 | 9/32" | 17/64" |
| 5/16" | 0.313 | 1/4 | 0.469 | 0.313 | 17/32 | 0.313 | 0.346 | 11/32" | 21/64" |
| 3/8" | 0.375 | 5/16 | 0.563 | 0.375 | 5/8 | 0.375 | 0.415 | 13/32" | 25/64" |
| 7/16" | 0.438 | 3/8 | 0.656 | 0.438 | 23/32 | 0.438 | 0.483 | 15/32" | 29/64" |
| 1/2" | 0.500 | 3/8 | 0.750 | 0.500 | 13/16 | 0.500 | 0.552 | 17/32" | 33/64" |
| 9/16" | 0.563 | 7/16 | 0.844 | 0.563 | 29/32 | 0.563 | — | 39/64" | 37/64" |
| 5/8" | 0.625 | 1/2 | 0.938 | 0.625 | 1 | 0.625 | 0.689 | 21/32" | 41/64" |
| 3/4" | 0.750 | 5/8 | 1.125 | 0.750 | 1-3/16 | 0.750 | 0.828 | 25/32" | 49/64" |
| 7/8" | 0.875 | 3/4 | 1.313 | 0.875 | 1-3/8 | 0.875 | 0.963 | 29/32" | 57/64" |
| 1" | 1.000 | 3/4 | 1.500 | 1.000 | 1-5/8 | 1.000 | 1.100 | 1-1/32" | 1-1/64" |
| 1-1/8" | 1.125 | 7/8 | 1.688 | 1.125 | 1-13/16 | 1.125 | — | 1-64" | #26 |
| 1-1/4" | 1.250 | 7/8 | 1.875 | 1.250 | 2 | 1.250 | 1.370 | 1-5/16" | 1-9/32" |
| 1-1/2" | 1.500 | 1 | 2.250 | 1.500 | 2-3/8 | 1.500 | 1.640 | 1-9/16" | 1-17/32" |
| 1-3/4" | 1.750 | 1-1/4 | 2.625 | 1.750 | 2-3/4 | 1.750 | 1.910 | 1-13/16" | 1-25/32" |
| 2" | 2.000 | 1-1/2 | 3.000 | 2.000 | 3-1/8 | 2.000 | 2.180 | 2-1/16" | 2-1/32" |
Metric Cap Screws
| Screw Size | Decimal Equiv. |
Hex Key | Screw Head | Counterbore | Countersink Diam, mm 60° (C) |
Clearance Drills (D) |
|||
|---|---|---|---|---|---|---|---|---|---|
| Diam, mm | Height, mm | Diam, mm (A) |
Depth, mm (B) |
Norm. Fit | Close Fit | ||||
| M1.6 | 0.062 | 1.5 | 3.0 | 1.6 | 3.50 | 1.6 | 2.0 | 1.95 | 1.80 |
| M2 | 0.078 | 1.5 | 3.8 | 2.0 | 4.40 | 2.0 | 2.6 | 2.40 | 2.20 |
| M2.5 | 0.098 | 2 | 4.5 | 2.5 | 5.40 | 2.5 | 3.1 | 3.00 | 2.70 |
| M2.6 | 0.102 | 2 | 5.0 | 2.6 | 6.00 | 2.6 | — | 3.20 | 3.00 |
| M3 | 0.118 | 2.5 | 5.5 | 3.0 | 6.50 | 3.0 | 3.6 | 3.70 | 3.40 |
| M4 | 0.157 | 3 | 7.0 | 4.0 | 8.25 | 4.0 | 4.7 | 4.80 | 4.40 |
| M5 | 0.196 | 4 | 8.5 | 5.0 | 9.75 | 5.0 | 5.7 | 5.80 | 5.40 |
| M6 | 0.236 | 5 | 10.0 | 6.0 | 11.20 | 6.0 | 6.8 | 6.80 | 6.40 |
| M8 | 0.315 | 6 | 13.0 | 8.0 | 14.50 | 8.0 | 9.2 | 8.80 | 8.40 |
| M10 | 0.393 | 8 | 16.0 | 10.0 | 17.50 | 10.0 | 11.2 | 10.80 | 10.50 |
| M12 | 0.472 | 10 | 18.0 | 12.0 | 19.50 | 12.0 | 14.2 | 13.00 | 12.50 |
| M14 | 0.551 | 12 | 21.0 | 14.0 | 22.50 | 14.0 | 16.2 | 15.00 | 14.50 |
| M16 | 0.629 | 14 | 24.0 | 16.0 | 25.50 | 16.0 | 18.2 | 17.00 | 16.50 |
| M18 | 0.708 | 14 | 27.0 | 18.0 | 28.50 | 18.0 | — | 19.00 | 18.50 |
| M20 | 0.787 | 17 | 30.0 | 20.0 | 31.50 | 20.0 | 22.4 | 21.00 | 20.50 |
| M24 | 0.944 | 19 | 36.0 | 24.0 | 37.50 | 24.0 | 26.4 | 25.00 | 24.50 |
| M30 | 1.181 | 22 | 45.0 | 30.0 | 47.50 | 30.0 | 33.4 | 31.50 | 31.00 |
| M36 | 1.417 | 27 | 54.0 | 36.0 | 56.50 | 36.0 | 39.4 | 37.50 | 37.00 |
| M42 | 1.653 | — | 63.0 | 42.0 | 66.00 | 42.0 | 45.6 | 44.00 | 43.00 |
| M48 | 1.889 | — | 72.0 | 48.0 | 75.00 | 48.0 | 52.6 | 50.00 | 49.00 |