Genius Tools Tamperproof Star Bit T-55 Size, 10mm Hex Shank Drive, 56mm Length, High Speed Tool Steel Construction - 7355
- T-55 tamperproof star bit with a 10mm hex shank drive, giving buyers the key size and drive configuration needed for tool matching.
- 56mm overall length provides added reach while helping maintain control in tighter working areas where shorter bits may be less convenient.
- Constructed from High Speed Tool Steel and heat treated for high strength, durability, and anti-corrosive performance in regular fastening and service work.
- Permanently stamped size marking makes the T-55 bit easy to identify, helping reduce mix-ups and improve tool organization.
- Meets or exceeds ANSI standards, supporting consistent expectations for fit, construction, and dependable use with compatible tamperproof star fasteners.
Also Available in Other Sizes (62) Same tool, different size Show all 62 sizes Hide sizes
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Size T-7 · Shank 1/4" · Length 30mm
$1.70
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Size T-7 · Shank 1/4" · Length 56mm
$3.40
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Size T-7 · Shank 1/4" · Length 88mm
$6.77
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Size T-7 · Shank 1/4" · Length 125mm
$7.90
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Size T-8 · Shank 1/4" · Length 30mm
$1.95
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Size T-8 · Shank 1/4" · Length 56mm
$3.40
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Size T-8 · Shank 1/4" · Length 88mm
$6.77
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Size T-8 · Shank 1/4" · Length 125mm
$7.90
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Size T-9 · Shank 1/4" · Length 30mm
$1.70
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Size T-9 · Shank 1/4" · Length 56mm
$3.40
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Size T-9 · Shank 1/4" · Length 88mm
$6.77
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Size T-9 · Shank 1/4" · Length 125mm
$7.90
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Size T-10 · Shank 1/4" · Length 30mm
$1.93
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Size T-10 · Shank 1/4" · Length 56mm
$3.40
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Size T-10 · Shank 1/4" · Length 88mm
$7.78
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Size T-10 · Shank 1/4" · Length 125mm
$7.90
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Size T-15 · Shank 1/4" · Length 30mm
$1.93
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Size T-15 · Shank 1/4" · Length 56mm
$3.40
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Size T-15 · Shank 1/4" · Length 88mm
$7.78
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Size T-15 · Shank 1/4" · Length 125mm
$7.90
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Size T-20 · Shank 1/4" · Length 30mm
$1.93
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Size T-20 · Shank 1/4" · Length 56mm
$3.40
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Size T-20 · Shank 1/4" · Length 88mm
$6.77
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Size T-20 · Shank 1/4" · Length 125mm
$7.90
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Size T-25 · Shank 1/4" · Length 30mm
$2.22
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Size T-25 · Shank 1/4" · Length 56mm
$3.40
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Size T-25 · Shank 1/4" · Length 88mm
$6.77
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Size T-25 · Shank 1/4" · Length 125mm
$7.90
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Size T-27 · Shank 1/4" · Length 30mm
$1.93
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Size T-27 · Shank 1/4" · Length 56mm
$3.91
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Size T-27 · Shank 1/4" · Length 88mm
$6.77
-
Size T-27 · Shank 1/4" · Length 125mm
$9.09
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Size T-30 · Shank 1/4" · Length 30mm
$1.93
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Size T-30 · Shank 1/4" · Length 56mm
$3.40
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Size T-30 · Shank 1/4" · Length 88mm
$6.77
-
Size T-30 · Shank 1/4" · Length 125mm
$9.09
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Size T-40 · Shank 1/4" · Length 30mm
$2.38
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Size T-40 · Shank 1/4" · Length 56mm
$4.16
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Size T-40 · Shank 1/4" · Length 88mm
$7.25
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Size T-40 · Shank 1/4" · Length 125mm
$9.72
- Size T-45 · Shank 1/4" · Length 30mm Out of stock Sold out
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Size T-45 · Shank 5/16" · Length 30mm
$3.01
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Size T-45 · Shank 5/16" · Length 56mm
$5.29
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Size T-45 · Shank 5/16" · Length 88mm
$8.22
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Size T-45 · Shank 5/16" · Length 125mm
$10.88
- Size T-50 · Shank 1/4" · Length 30mm Out of stock Sold out
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Size T-50 · Shank 5/16" · Length 30mm
$3.01
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Size T-50 · Shank 5/16" · Length 56mm
$4.60
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Size T-50 · Shank 5/16" · Length 88mm
$9.46
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Size T-50 · Shank 5/16" · Length 125mm
$10.88
- Size T-55 · Shank 1/4" · Length 30mm Out of stock Sold out
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Size T-55 · Shank 10mm · Length 30mm
$4.34
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Size T-55 · Shank 10mm · Length 88mm
$10.64
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Size T-55 · Shank 10mm · Length 125mm
$15.74
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Size T-60 · Shank 12mm · Length 36mm
$7.02
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Size T-60 · Shank 12mm · Length 56mm
$7.51
-
Size T-60 · Shank 12mm · Length 88mm
$16.14
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Size T-60 · Shank 12mm · Length 125mm
$19.37
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Size T-70 · Shank 14mm · Length 36mm
$9.72
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Size T-70 · Shank 14mm · Length 56mm
$8.96
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Size T-70 · Shank 14mm · Length 88mm
$20.02
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Size T-70 · Shank 14mm · Length 125mm
$22.99
Genius Tools Tamperproof Star Bit T-55 Size, 10mm Hex Shank Drive, 56mm Length, High Speed Tool Steel Construction - 7355 | Tamperproof Star Screwdriver Bit
This tamperproof star screwdriver bit is built for controlled torque transfer and consistent fit on T-55 tamperproof star fasteners. The 10mm hex shank drive interface supports secure engagement in compatible holders and drives for steady, repeatable work.
Manufactured from High Speed Tool Steel and heat treated for a tough exterior with a strong inner core, it is designed for high strength, durability, and anti-corrosive performance. Clear, stamped size markings support fast identification and better tool organization.
Key Benefits
- T-55 tamperproof star profile helps maintain a secure, non-slip fastener fit.
- 10mm hex shank drive promotes stable engagement and efficient torque transfer.
- 56mm overall length supports reach and control in tight working areas.
- High Speed Tool Steel construction provides high strength with anti-corrosive material properties.
- Heat-treated design delivers a durable exterior with a stronger inner core.
- Size is permanently stamped for quick identification and improved tool organization.
- Meets or exceeds ANSI standards for professional-grade expectations and consistency.
Built for professional technicians and demanding use, this bit focuses on durability, reliable fit, and easy identification in a busy tool setup. Backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, it supports long-term service where consistency and repeatability matter.
| Brand | Genius Tools |
|---|---|
| Size | T-55 |
| Drive Size | 10mm Hex Shank |
| Length | 56mm |
| Type | Tamperproof Star Screwdriver Bits |