Ko-Ken 4129-37 and 4129-75 Bolttwister broken bolt remover
Out of stock
Ko-Ken 4129-37 and 4129-75 are Bolttwister broken bolt removers. Sizes run from 8 to 16mm. Lengths are 37 and 75mm.
Where this product is used
- Removing a twisted off bolt whose head has come off
- Broken studs and bolts after a pilot hole has been drilled
- Workshop and on-site repair work
Features
- Sharp spiral edges hold the broken bolt
- Size: 8 to 16mm
- Length: 37mm, 75mm
- Bolt size: M14 to M16, M18 to M20, M22 to M24, M27 to M30, M33
Key specifications
| Specification | Detail |
|---|---|
| Brand | Ko-Ken |
| Product type | Socket |
| Size | 8 to 16mm |
| Length | 37mm, 75mm |
| Bolt size | M14 to M16, M18 to M20, M22 to M24, M27 to M30, M33 |
| Drill size | 8.2 to 8.5mm, 10.2 to 10.5mm, 12.2 to 12.5mm, 14.2 to 14.5mm, 16.2 to 16.5mm |
| Weight | 59 to 150 g |
Choosing the right option
To use it, drill a hole in the centre of the broken bolt, drive the Bolttwister firmly into the hole and turn it counterclockwise until it grips; the sharp spiral edges hold the broken bolt so it can be removed by continuing to turn.
Related Ko-Ken products: Ko-Ken 3129-32 Bolttwister Broken Bolt Remover, 2mm, 3/8" Drive, Ko-Ken 4405A 12-Point Socket, Inch Sizes, 1/2" Drive.
| Option | Part number | SKU |
|---|---|---|
| 8mm / 37 | KO4129-37-08 | A0181751 |
| 8mm / 75 | KO4129-75-08 | A0181756 |
| 10mm / 37 | KO4129-37-10 | A0181752 |
| 10mm / 75 | KO4129-75-10 | A0181757 |
| 12mm / 37 | KO4129-37-12 | A0181753 |
| 12mm / 75 | KO4129-75-12 | A0181758 |
| 14mm / 37 | KO4129-37-14 | A0181754 |
| 14mm / 75 | KO4129-75-14 | A0181759 |
| 16mm / 37 | KO4129-37-16 | A0181755 |
| 16mm / 75 | KO4129-75-16 | A0181760 |
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Ko-Ken 4129-37 and 4129-75 Bolttwister Broken Bolt Remover: 8mm / 37
SKU: A0181751 | Model: KO4129-37-08
Ko-Ken KO4129-37-08: Bolttwister broken bolt remover, 8mm. 37mm long, 59 g. Dimensions: D1 8, D2 24mm.
