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For Drive Style For Drive Style |
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 | Tri-Groove |
Socket Shape Socket Shape |
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 | Tri-Groove |
Socket Type Socket Type |
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 | Socket |
Socket Style Socket Style |
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| Standard |
Material Material |
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Finish Finish |
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 | Black |
Bolt Clearance Style Bolt Clearance Style |
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 | Standard |
Number of Pieces Number of Pieces |
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Drive Type Drive Type |
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System of Measurement System of Measurement |
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Individual/Set Individual/Set |
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For Screw Head Style For Screw Head Style |
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Tri-Groove Sockets
Grip the indentations around the outside of tri-groove fasteners. These sockets are for hand-driven use only.
| Size | Overall Lg. | OD | For Fastener Type | For Screw Size (Head Dia.) | For Nut Size (Dia.) | Material | Finish | Each | |
1/4" Square Drive | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. 4 | 1" | 31/64" | Screws | No. 4 Standard (0.13") No. 6 Countersunk (0.268") | __ | Steel | Black | 0000000 | 000000 |
| No. 6 | 1" | 31/64" | Screws | No. 6, No. 8 Standard (0.208") No. 8, No. 10 Countersunk (0.372") | __ | Steel | Black | 0000000 | 00000 |
| No. 10 | 1" | 31/64" | Screws and Nuts | 1/4", No. 10, No. 12 Standard (0.334") 1/4" Countersunk (0.492") | No. 6, No. 8 (0.406") | Steel | Black | 0000000 | 00000 |
3/8" Square Drive | |||||||||
| No. 20 | 1" | 47/64" | Screws and Nuts | 5/16" Standard (0.585") | 1/4", No. 10 (0.661") | Steel | Black | 0000000 | 00000 |
| No. 30 | 1 1/2" | 31/32" | Nuts | __ | 3/8", 5/16" (0.864") | Steel | Black | 0000000 | 00000 |
Tri-Groove Socket Sets
Grip the indentations around the outside of tri-groove fasteners.
| No. of Pieces | Components Included | Includes | Finish | Each | |
1/4" Square Drive—Steel | |||||
|---|---|---|---|---|---|
| 4 | 3 Sockets 1 Drive Tool | Standard Socket: No. 4 (For No. 4 Standard Screws and No. 6 Countersunk Screws) Standard Socket: No. 6 (For Nos. 6 and 8 Standard Screws and Nos. 8 and 10 Countersunk Screws) Standard Socket: No. 10 (For Nos. 10, 12, and 1/4" Standard Screws; 1/4" Countersunk Screws; and Nos. 6 and 8 Nuts) 8" Long Socket Screwdiver Handle | Black | 0000000 | 000000 |