Genius Tools Triple Square Bit 18mm Hex Shank M18 Drive 125mm Length High Speed Tool Steel - 8618
- Genius Tools 8618 is an M18 triple square bit with an 18mm hex shank for matching triple square fasteners.
- 125mm overall length provides extended reach for tighter or recessed fastener locations where a shorter bit may be difficult to position.
- 18mm hex shank helps confirm compatibility with matching drive tools while supporting steady engagement during fastening or removal.
- M18 triple square profile is sized for corresponding M18 fasteners, helping customers select the correct bit for the application.
- High Speed Tool Steel construction and stamped size marking support easy identification, organization, and repeat selection of this specific bit size.
Also Available in Other Sizes (62) Same tool, different size Show all 62 sizes Hide sizes
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Size M4 · Shank 1/4" · Length 30mm
$1.56
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Size M4 · Shank 1/4" · Length 56mm
$3.12
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Size M4 · Shank 1/4" · Length 88mm
$6.77
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Size M4 · Shank 1/4" · Length 125mm
$7.78
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Size M4 · Shank 1/4" · Length 160mm
$8.60
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Size M4 · Shank 1/4" · Length 200mm
$11.72
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Size M5 · Shank 1/4" · Length 30mm
$1.56
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Size M5 · Shank 1/4" · Length 56mm
$3.12
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Size M5 · Shank 1/4" · Length 88mm
$6.77
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Size M5 · Shank 1/4" · Length 125mm
$7.78
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Size M5 · Shank 1/4" · Length 160mm
$8.60
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Size M5 · Shank 1/4" · Length 200mm
$11.72
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Size M5 · Shank 10mm · Length 30mm
Special Price $1.41 Regular Price $4.15
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Size M5 · Shank 10mm · Length 75mm
Special Price $2.11 Regular Price $9.96
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Size M6 · Shank 1/4" · Length 30mm
$1.56
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Size M6 · Shank 1/4" · Length 56mm
$3.12
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Size M6 · Shank 1/4" · Length 88mm
$5.89
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Size M6 · Shank 1/4" · Length 125mm
$7.78
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Size M6 · Shank 1/4" · Length 160mm
$8.60
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Size M6 · Shank 1/4" · Length 200mm
$11.72
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Size M6 · Shank 10mm · Length 30mm
Special Price $1.30 Regular Price $4.15
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Size M6 · Shank 10mm · Length 75mm
Special Price $2.24 Regular Price $9.96
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Size M8 · Shank 5/16" · Length 30mm
$2.65
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Size M8 · Shank 5/16" · Length 56mm
$3.89
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Size M8 · Shank 5/16" · Length 88mm
$7.25
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Size M8 · Shank 5/16" · Length 125mm
$9.68
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Size M8 · Shank 5/16" · Length 160mm
$12.09
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Size M8 · Shank 5/16" · Length 200mm
$14.52
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Size M8 · Shank 10mm · Length 30mm
Special Price $1.41 Regular Price $4.15
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Size M8 · Shank 10mm · Length 75mm
Special Price $2.24 Regular Price $9.96
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Size M10 · Shank 10mm · Length 30mm
$3.62
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Size M10 · Shank 10mm · Length 56mm
$5.33
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Size M10 · Shank 10mm · Length 75mm
Special Price $2.13 Regular Price $9.96
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Size M10 · Shank 10mm · Length 88mm
$9.68
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Size M10 · Shank 10mm · Length 125mm
$16.70
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Size M10 · Shank 10mm · Length 160mm
$19.49
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Size M10 · Shank 10mm · Length 200mm
$22.28
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Size M12 · Shank 10mm · Length 30mm
Special Price $2.07 Regular Price $4.15
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Size M12 · Shank 10mm · Length 75mm
Special Price $2.91 Regular Price $9.96
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Size M12 · Shank 12mm · Length 30mm
$5.44
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Size M12 · Shank 12mm · Length 56mm
$7.78
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Size M12 · Shank 12mm · Length 88mm
$15.04
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Size M12 · Shank 12mm · Length 125mm
$18.15
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Size M12 · Shank 12mm · Length 160mm
$21.30
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Size M12 · Shank 12mm · Length 200mm
$24.21
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Size M14 · Shank 14mm · Length 30mm
$6.67
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Size M14 · Shank 14mm · Length 56mm
$8.22
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Size M14 · Shank 14mm · Length 88mm
$16.46
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Size M14 · Shank 14mm · Length 125mm
$25.04
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Size M14 · Shank 14mm · Length 160mm
$29.20
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Size M14 · Shank 14mm · Length 200mm
$33.41
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Size M16 · Shank 16mm · Length 36mm
$9.72
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Size M16 · Shank 16mm · Length 56mm
$9.90
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Size M16 · Shank 16mm · Length 88mm
$18.63
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Size M16 · Shank 16mm · Length 125mm
$29.20
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Size M16 · Shank 16mm · Length 160mm
$34.23
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Size M16 · Shank 16mm · Length 200mm
$33.88
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Size M18 · Shank 19mm · Length 36mm
$12.51
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Size M18 · Shank 19mm · Length 56mm
$13.36
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Size M18 · Shank 19mm · Length 88mm
$21.30
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Size M18 · Shank 19mm · Length 160mm
$38.96
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Size M18 · Shank 19mm · Length 200mm
$44.53
Genius Tools Triple Square Bit 18mm Hex Shank M18 Drive 125mm Length High Speed Tool Steel - 8618 Professional Screwdriver Bit
This professional screwdriver bit is built for precise engagement on M18 triple square fasteners while maintaining control and reach. With an 18mm hex shank and 125mm overall length, it fits confidently into compatible drive tools and helps keep setups consistent across repeat service work.
Made from high speed steel for strength, durability, and anti-corrosive performance, the bit is heat treated to balance a tough exterior with strong inner core support. The size marking is stamped for quick identification during tool selection and organization.
Key Benefits
- 18mm hex shank with M18 triple square profile for secure fit.
- 125mm overall length helps reach fasteners while maintaining steady control.
- High speed steel construction provides strength, durability, and anti-corrosive properties.
- Heat-treated design supports a tough exterior and strong inner core.
- Permanently stamped size marking improves tool organization and quick selection.
- Meets or exceeds ANSI standards for consistent professional-grade performance.
- Backed by Genius Tools Limited Lifetime Warranty against manufacturer defects.
SKU: 8618. Built for professional technicians and heavy-use environments, this triple square bit prioritizes fit, durability, and easy identification in the toolbox. Its combination of length, heat treatment, and corrosion resistance supports reliable use over time while maintaining predictable handling and consistent performance.
| Brand | Genius Tools |
|---|---|
| Size | M18 |
| Drive Size | 19mm Hex Shank |
| Length | 125mm |
| Type | Triple Square Screwdriver Bits |