Genius Tools Hex Screwdriver Bit 7/16 Inch Size, 7/16 Inch Hex Shank, 30mm Length, Durable Steel Construction - 3138
- Genius Tools 3138 hex screwdriver bit is sized for 7/16 inch hex fasteners, helping confirm the correct bit for matching hardware.
- 7/16 inch hex shank fits compatible bit holders, providing the required shank configuration for proper tool setup.
- 30mm (1.18 inch) overall length offers a compact profile for tighter clearances and more controlled handling during use.
- Steel construction provides the specified build material for this hex screwdriver bit without adding unnecessary bulk or length.
- Heat-treated design supports wear resistance and strong inner core performance, adding practical durability for repeated fastening tasks.
Also Available in Other Sizes (54) Same tool, different size Show all 54 sizes Hide sizes
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Size 1/16" · Shank 1/4" · Length 30mm
$1.43
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Size 1/16" · Shank 1/4" · Length 56mm
$3.12
-
Size 1/16" · Shank 1/4" · Length 88mm
$6.77
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Size 5/64" · Shank 1/4" · Length 30mm
$1.43
-
Size 5/64" · Shank 1/4" · Length 56mm
$2.71
-
Size 5/64" · Shank 1/4" · Length 88mm
$6.77
-
Size 3/32" · Shank 1/4" · Length 30mm
$1.43
-
Size 3/32" · Shank 1/4" · Length 56mm
$3.12
-
Size 3/32" · Shank 1/4" · Length 88mm
$6.77
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Size 7/64" · Shank 1/4" · Length 30mm
$1.43
-
Size 7/64" · Shank 1/4" · Length 56mm
$2.71
-
Size 7/64" · Shank 1/4" · Length 88mm
$6.77
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Size 1/8" · Shank 1/4" · Length 30mm
$1.43
-
Size 1/8" · Shank 1/4" · Length 56mm
$3.12
-
Size 1/8" · Shank 1/4" · Length 88mm
$5.89
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Size 1/8" · Shank 5/16" · Length 30mm
$2.08
-
Size 5/32" · Shank 1/4" · Length 30mm
$1.43
-
Size 5/32" · Shank 1/4" · Length 56mm
$2.71
-
Size 5/32" · Shank 1/4" · Length 88mm
$6.77
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Size 5/32" · Shank 5/16" · Length 30mm
$2.40
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Size 3/16" · Shank 1/4" · Length 30mm
$1.43
-
Size 3/16" · Shank 1/4" · Length 56mm
$2.71
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Size 3/16" · Shank 1/4" · Length 88mm
$6.77
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Size 3/16" · Shank 5/16" · Length 30mm
$2.40
-
Size 7/32" · Shank 1/4" · Length 30mm
$1.43
-
Size 7/32" · Shank 1/4" · Length 56mm
$2.71
-
Size 7/32" · Shank 1/4" · Length 88mm
$6.77
-
Size 7/32" · Shank 5/16" · Length 30mm
$2.08
-
Size 1/4" · Shank 1/4" · Length 30mm
$1.43
-
Size 1/4" · Shank 1/4" · Length 56mm
$3.12
-
Size 1/4" · Shank 1/4" · Length 88mm
$7.24
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Size 1/4" · Shank 5/16" · Length 30mm
$2.08
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Size 9/32" · Shank 5/16" · Length 30mm
$2.23
-
Size 9/32" · Shank 5/16" · Length 56mm
$4.48
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Size 9/32" · Shank 5/16" · Length 88mm
$8.34
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Size 5/16" · Shank 5/16" · Length 30mm
$2.56
-
Size 5/16" · Shank 5/16" · Length 56mm
$3.89
-
Size 5/16" · Shank 5/16" · Length 88mm
$8.34
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Size 3/8" · Shank 3/8" · Length 30mm
$4.16
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Size 3/8" · Shank 3/8" · Length 56mm
$6.12
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Size 3/8" · Shank 3/8" · Length 88mm
$11.13
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Size 7/16" · Shank 7/16" · Length 56mm
$6.77
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Size 7/16" · Shank 7/16" · Length 88mm
$15.04
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Size 1/2" · Shank 1/2" · Length 30mm
$5.80
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Size 1/2" · Shank 1/2" · Length 56mm
$8.63
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Size 1/2" · Shank 1/2" · Length 88mm
$18.93
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Size 9/16" · Shank 9/16" · Length 56mm
$9.46
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Size 9/16" · Shank 9/16" · Length 88mm
$20.59
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Size 5/8" · Shank 5/8" · Length 56mm
$9.90
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Size 5/8" · Shank 5/8" · Length 88mm
$21.43
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Size 11/16" · Shank 11/16" · Length 56mm
$13.36
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Size 11/16" · Shank 11/16" · Length 88mm
$22.82
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Size 3/4" · Shank 3/4" · Length 56mm
$15.04
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Size 3/4" · Shank 3/4" · Length 88mm
$25.61
Also Available in These Sets (1) This item is included in each set below Show all 1 sets Hide sets
Genius Tools Hex Screwdriver Bit 7/16 Inch Size, 7/16 Inch Hex Shank, 30mm Length, Durable Steel Construction - 3138 Professional Hex Screwdriver Bit
This professional hex screwdriver bit is built for consistent fit and dependable torque transfer in demanding shop conditions. It pairs a 7/16 inch hex screwdriver bit profile with a 7/16 inch hex shank, keeping the connection secure and helping reduce slippage during fastener work.
With a 30mm (1.18 inch) overall length, it offers a compact format suited to tighter clearances while maintaining a solid working feel. High Speed Steel construction supports strength, durability, and anti-corrosive performance, and the heat-treated design reinforces both the exterior wear surface and inner core strength for long-term service.
Key Benefits
- 7/16 inch hex shank provides a secure, stable fit in compatible holders.
- 7/16 inch hex screwdriver bit profile helps reduce slippage on fasteners.
- 30mm (1.18 inch) overall length supports work in tight spaces.
- High Speed Steel construction delivers strength, durability, and anti-corrosive properties.
- Heat-treated for tough exterior wear resistance and strong inner core.
- Size is stamped for permanent, quick identification in tool storage.
- Meets or exceeds ANSI standards for consistent quality and performance.
SKU: 3138. Designed for professional technicians, this bit focuses on fit, longevity, and easy identification in organized tool setups. Backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, it’s a reliable option when you need repeatable results and durable construction in daily use.
| Brand | Genius Tools |
|---|---|
| Material | High Speed Tool Steel |
| Size | 7/16" |
| Drive Size | 7/16" Hex Shank |
| Length | 30mm |
| Type | Hex Screwdriver Bits |
| Sizing System | SAE |