Genius Tools Tamperproof Star Bit T-20 Size 1/4 Inch Hex Shank 30mm Length Precision Drive Durable Construction - 7120
- Genius Tools 7120 T-20 tamperproof star bit is sized for matching secure star fasteners requiring a T-20 tamperproof bit.
- 1/4 inch hex shank fits standard bit holders and compatible driver tools for easy integration with common drive setups.
- 30mm overall length helps provide controlled access when working around tight, recessed, or confined fastening locations.
- High speed steel construction with anti-corrosive properties supports long-term durability for repeated fastening and removal tasks.
- Heat treated design and stamped size marking aid strength while making the T-20 bit quick to identify in storage or use.
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
-
Size T-8 · Shank 1/4" · Length 56mm
$3.40
-
Size T-8 · Shank 1/4" · Length 88mm
$6.77
-
Size T-8 · Shank 1/4" · Length 125mm
$7.90
-
Size T-9 · Shank 1/4" · Length 30mm
$1.70
-
Size T-9 · Shank 1/4" · Length 56mm
$3.40
-
Size T-9 · Shank 1/4" · Length 88mm
$6.77
-
Size T-9 · Shank 1/4" · Length 125mm
$7.90
-
Size T-10 · Shank 1/4" · Length 30mm
$1.93
-
Size T-10 · Shank 1/4" · Length 56mm
$3.40
-
Size T-10 · Shank 1/4" · Length 88mm
$7.78
-
Size T-10 · Shank 1/4" · Length 125mm
$7.90
-
Size T-15 · Shank 1/4" · Length 30mm
$1.93
-
Size T-15 · Shank 1/4" · Length 56mm
$3.40
-
Size T-15 · Shank 1/4" · Length 88mm
$7.78
-
Size T-15 · Shank 1/4" · Length 125mm
$7.90
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Size T-20 · Shank 1/4" · Length 56mm
$3.40
-
Size T-20 · Shank 1/4" · Length 88mm
$6.77
-
Size T-20 · Shank 1/4" · Length 125mm
$7.90
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Size T-25 · Shank 1/4" · Length 30mm
$2.22
-
Size T-25 · Shank 1/4" · Length 56mm
$3.40
-
Size T-25 · Shank 1/4" · Length 88mm
$6.77
-
Size T-25 · Shank 1/4" · Length 125mm
$7.90
-
Size T-27 · Shank 1/4" · Length 30mm
$1.93
-
Size T-27 · Shank 1/4" · Length 56mm
$3.91
-
Size T-27 · Shank 1/4" · Length 88mm
$6.77
-
Size T-27 · Shank 1/4" · Length 125mm
$9.09
-
Size T-30 · Shank 1/4" · Length 30mm
$1.93
-
Size T-30 · Shank 1/4" · Length 56mm
$3.40
-
Size T-30 · Shank 1/4" · Length 88mm
$6.77
-
Size T-30 · Shank 1/4" · Length 125mm
$9.09
-
Size T-40 · Shank 1/4" · Length 30mm
$2.38
-
Size T-40 · Shank 1/4" · Length 56mm
$4.16
-
Size T-40 · Shank 1/4" · Length 88mm
$7.25
-
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 56mm
$6.97
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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
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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
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Tamperproof Star Screwdriver Bit Set 11 Piece S2 Steel 1/4 Inch Drive Precision Security Bits
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Star Wrench Set 24 Piece, Torx, Precision S2 Steel,
$56.54
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Tamperproof Star Screwdriver Bit Set 24 Piece S2 Steel Assorted Sizes Precision Drive
$30.73
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Torque Screwdriver Set 1 to 5 Nm 1/4 Inch Drive 27 Piece Precision Adjustable
$127.92
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Torque Screwdriver Set 9 to 50 Inch Pounds 1/4 Inch Drive 27 Piece Adjustable Precision Tool Kit
$130.21
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Ratcheting Screwdriver and Bit Set 37 Piece Multi-Bit Precision Drive Ergonomic Handle Versatile Hand Tool Kit
$42.23
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Ratcheting Screwdriver and Bit Set 37 Piece SAE Multi-Bit Precision Drive Ergonomic Handle
Special Price $55.91 Regular Price $70.45
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Hand Socket Set 40 Piece Metric 1/4 Inch Drive
Special Price $84.03 Regular Price $105.88
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Screwdriver Bit Set 47 Piece Assorted Sizes Precision S2 Steel Magnetic Drive
$201.03
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Star Type Wrench Set 56 Piece 1/2 Inch Drive Complete Set
$298.76
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Socket and Bit Set 59 Piece Metric 3/8 Inch Drive 12-Point
$146.41
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Socket and Bit Set 59 Piece Metric 3/8 Inch Drive
$100.06
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Master Tool Set 87 Piece Metric 1/4 Inch & 1/2 Inch Drive Comprehensive Mechanic Kit
$179.40
Genius Tools Tamperproof Star Bit T-20 Size 1/4 Inch Hex Shank 30mm Length Precision Drive Durable Construction - 7120 Tamperproof Star Screwdriver Bit
This tamperproof star screwdriver bit is built around a T-20 tip and a 1/4 inch hex shank for compatibility with standard bit holders and drivers. The 30mm (1.18 inch) overall length keeps the profile compact for controlled work in tight spaces.
Manufactured from high speed steel and heat treated for a tough exterior with a strong inner core, it is designed to hold up under professional use. Anti-corrosive properties help maintain performance over time, and the stamped size marking supports quick identification in a busy tool setup.
Key Benefits
- T-20 tamperproof star tip supports secure engagement on matching fasteners.
- 1/4 inch hex shank fits common bit holders and driver tools.
- 30mm overall length (1.18 inches) helps access confined spaces.
- High speed steel construction provides strength, durability, and anti-corrosive properties.
- Heat-treated design delivers a tough exterior and strong inner core.
- Stamped sizing enables fast, permanent identification for better tool organization.
- Meets or exceeds ANSI standards for consistent quality and performance.
Designed and made for professional technicians, this bit is built to perform over a lifetime of heavy use. It is backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, providing added confidence in long-term reliability and workmanship.
| Brand | Genius Tools |
|---|---|
| Material | High Speed Tool Steel |
| Size | T-20 |
| Drive Size | 1/4" Hex Shank |
| Length | 30mm |
| Type | Tamperproof Star Screwdriver Bits |
| Sizing System | Star |