Ko-Ken KORS4129/5-L37 Bolt Twister Set on Rail, 5 Pieces, 1/2 in Drive
Out of stock
The Ko-Ken RS4129/5-L37 is a Bolt Twister set on rail with 5 pieces. (manufacturer-stated)
The store listing gives a 1/2 in drive; the catalogue page for this set does not print a drive size.
The 5 pieces are Bolt Twisters in sizes 8 to 16 mm, mounted on a 150 mm rail. (manufacturer-stated)
Set weight is 370 g. (manufacturer-stated)
The catalogue says to use the Bolt Twister to remove a broken bolt whose head has come off: drill a hole in the centre of the broken bolt, insert the Bolt Twister into the hole and turn it counterclockwise until it sticks, then continue turning to remove the bolt. (manufacturer-stated)
Where this product is used
- Removing broken bolts whose heads have come off
- Repair and maintenance work on machinery and vehicles
- Keeping the Bolt Twisters together on one rail
Features
- 1/2 in square drive
- 5 pieces (manufacturer-stated)
- 150 mm rail (manufacturer-stated)
- 370 g set weight (manufacturer-stated)
Bolt size and drill size (manufacturer-stated)
| Bolt Twister size | Bolt size | Drill size (mm) |
|---|---|---|
| 8 | M14 to M16 | 8.2 to 8.5 |
| 10 | M18 to M20 | 10.2 to 10.5 |
| 12 | M22 to M24 | 12.2 to 12.5 |
| 14 | M27 to M30 | 14.2 to 14.5 |
| 16 | M33 | 16.2 to 16.5 |
Key specifications
| Specification | Detail |
|---|---|
| Drive | 1/2 in |
| Pieces | 5 (manufacturer-stated) |
| Sizes in set | 8 to 16 mm (manufacturer-stated) |
| Rail length | 150 mm (manufacturer-stated) |
| Set weight | 370 g (manufacturer-stated) |
Selecting the right option
Choose the set that covers the sizes you work with and matches the 1/2 in square drive of your ratchet or handle. The set line prints the sizes, piece count, rail length and set weight only. The catalogue lists the set with the 4129-37 Bolt Twisters, and the socket series on the rail is taken from the set code. The catalogue prints the set weight but does not say whether it includes the rail. The catalogue's safety notes say to select impact sockets only for electric or air impact wrenches and to wear safety goggles when using nut runners or impact wrenches. (manufacturer-stated)
Related products
Related Ko-Ken products: Ko-Ken RS4129/5-L75 Bolt Twister Set on Rail, 5 Pieces, 1/2 in Drive, Ko-Ken RS4325/7 Torx (E-Size) Socket Set on Rail, 7 Pieces, 1/2 in Drive, Ko-Ken RS4400MZ/10 Metric Z-Series 6-Point Socket Set on Rail, 10 Pieces, 1/2 in Drive and Ko-Ken RS4300M/10 Metric 6-Point Deep Socket Set on Rail, 10 Pieces, 1/2 in Drive.
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