Genius Tools Star Screwdriver Bit T-55 Size, 10mm Hex Shank Drive, 56mm Length, Durable Construction - 6355
- Genius Tools 6355 T-55 star screwdriver bit uses a 10mm hex shank drive for matching compatible drive tools and T-55 star fasteners.
- 56mm (2.2-inch) overall length supports controlled handling in compact work areas where bit length can affect access and usability.
- High Speed Steel construction provides strength, durability, and anti-corrosive properties for a dependable star bit in repeated fastening tasks.
- Heat-treated design delivers a tough exterior with strong inner core support, helping the bit maintain reliable working characteristics.
- Permanently stamped T-55 size markings make identification faster and help keep this 10mm hex shank screwdriver bit organized with similar tools.
Also Available in Other Sizes (58) Same tool, different size Show all 58 sizes Hide sizes
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Size T-6 · Shank 1/4" · Length 30mm
$1.25
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Size T-6 · Shank 1/4" · Length 56mm
$2.71
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Size T-7 · Shank 1/4" · Length 30mm
$1.43
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Size T-7 · Shank 1/4" · Length 56mm
$3.12
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Size T-8 · Shank 1/4" · Length 30mm
$1.43
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Size T-8 · Shank 1/4" · Length 56mm
$2.71
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Size T-9 · Shank 1/4" · Length 30mm
$1.25
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Size T-9 · Shank 1/4" · Length 56mm
$3.12
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Size T-10 · Shank 1/4" · Length 30mm
$1.43
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Size T-10 · Shank 1/4" · Length 56mm
$3.12
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Size T-10 · Shank 5/16" · Length 30mm
$2.08
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Size T-15 · Shank 1/4" · Length 30mm
$1.43
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Size T-15 · Shank 1/4" · Length 56mm
$3.12
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Size T-15 · Shank 5/16" · Length 30mm
$2.40
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Size T-15 · Shank 10mm · Length 30mm
Special Price $1.24 Regular Price $1.50
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Size T-15 · Shank 10mm · Length 75mm
Special Price $2.11 Regular Price $2.55
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Size T-20 · Shank 1/4" · Length 30mm
$1.43
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Size T-20 · Shank 1/4" · Length 56mm
$3.12
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Size T-20 · Shank 5/16" · Length 30mm
$2.08
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Size T-20 · Shank 10mm · Length 30mm
Special Price $1.41 Regular Price $1.70
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Size T-20 · Shank 10mm · Length 75mm
Special Price $2.13 Regular Price $2.57
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Size T-25 · Shank 1/4" · Length 30mm
$1.43
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Size T-25 · Shank 1/4" · Length 56mm
$2.71
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Size T-25 · Shank 5/16" · Length 30mm
$2.08
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Size T-25 · Shank 10mm · Length 30mm
Special Price $1.24 Regular Price $1.50
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Size T-25 · Shank 10mm · Length 75mm
Special Price $2.24 Regular Price $2.70
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Size T-27 · Shank 1/4" · Length 30mm
$1.43
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Size T-27 · Shank 1/4" · Length 56mm
$2.71
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Size T-27 · Shank 5/16" · Length 30mm
$2.08
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Size T-27 · Shank 10mm · Length 30mm
Special Price $0.03 Regular Price $0.04
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Size T-27 · Shank 10mm · Length 75mm
Special Price $2.11 Regular Price $2.55
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Size T-30 · Shank 1/4" · Length 30mm
$1.43
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Size T-30 · Shank 1/4" · Length 56mm
$2.71
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Size T-30 · Shank 5/16" · Length 30mm
$2.08
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Size T-30 · Shank 10mm · Length 30mm
Special Price $1.41 Regular Price $1.70
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Size T-30 · Shank 10mm · Length 75mm
Special Price $2.24 Regular Price $2.70
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Size T-40 · Shank 1/4" · Length 30mm
$1.53
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Size T-40 · Shank 1/4" · Length 56mm
$2.91
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Size T-40 · Shank 5/16" · Length 30mm
$2.56
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Size T-40 · Shank 10mm · Length 30mm
Special Price $1.41 Regular Price $1.70
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Size T-40 · Shank 10mm · Length 75mm
Special Price $2.13 Regular Price $2.57
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Size T-45 · Shank 5/16" · Length 30mm
$2.23
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Size T-45 · Shank 5/16" · Length 56mm
$3.89
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Size T-45 · Shank 10mm · Length 30mm
Special Price $1.33 Regular Price $1.61
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Size T-45 · Shank 10mm · Length 75mm
Special Price $2.13 Regular Price $2.57
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Size T-50 · Shank 5/16" · Length 30mm
$2.23
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Size T-50 · Shank 5/16" · Length 56mm
$4.48
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Size T-50 · Shank 10mm · Length 30mm
Special Price $1.33 Regular Price $1.61
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Size T-50 · Shank 10mm · Length 75mm
Special Price $2.24 Regular Price $2.70
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Size T-55 · Shank 10mm · Length 30mm
$3.62
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Size T-55 · Shank 10mm · Length 75mm
Special Price $2.24 Regular Price $2.70
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Size T-55 · Shank 14mm · Length 115mm
Special Price $0.08 Regular Price $13.89
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Size T-60 · Shank 12mm · Length 36mm
$7.24
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Size T-60 · Shank 12mm · Length 56mm
$7.78
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Size T-60 · Shank 14mm · Length 75mm
Special Price $0.16 Regular Price $0.19
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Size T-70 · Shank 14mm · Length 36mm
$7.75
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Size T-70 · Shank 14mm · Length 56mm
$8.22
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Size T-70 · Shank 14mm · Length 75mm
Special Price $0.16 Regular Price $0.19
Genius Tools Star Screwdriver Bit T-55 Size, 10mm Hex Shank Drive, 56mm Length, Durable Construction - 6355 — Professional Screwdriver Bit
This T-55 star screwdriver bit is built for consistent fit and dependable torque transfer with a 10mm hex shank drive. With a 56mm overall length (2.2 inches), it offers a compact profile that’s easy to manage while still delivering the strength expected in professional hand tools.
Manufactured from High Speed Steel and heat treated for a tough exterior and strong inner core, this bit is designed for long-term durability and resistance to corrosion. Permanently stamped size markings support faster identification and cleaner tool organization in busy work environments.
Key Benefits
- T-55 star tip with 10mm hex shank drive for secure fit.
- 56mm (2.2-inch) overall length supports control in compact work areas.
- High Speed Steel construction provides high strength and long service life.
- Anti-corrosive properties help maintain performance and appearance over time.
- Heat-treated design delivers tough exterior and superior inner core strength.
- Permanently stamped size marking enables quick identification and better organization.
- Meets or exceeds ANSI standards for consistent quality and professional expectations.
Backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, this professional-grade bit is designed and made for technicians who rely on tools to hold up under heavy use. Durable materials, clear size identification, and ANSI-aligned quality make it a dependable choice for T-55 star fasteners.
| Brand | Genius Tools |
|---|---|
| Material | High Speed Tool Steel |
| Size | T-55 |
| Drive Size | 10mm Hex Shank |
| Length | 56mm |
| Type | Star Screwdriver Bits |