AV00095812
2,50 €
Product Description
The Bohrcraft DIN 338 HSS-G Type LN left-hand cutting twist drill bit 4 mm is engineered specifically for drilling out broken studs, bolts, and screws. When operated in counter-clockwise (reverse) rotation, the cutting torque often backs the damaged fastener out during drilling, preventing thread damage.
Features and Benefits
- Left-hand cutting direction (LH / Type LN) – often loosens broken bolts while drilling
- Fully-ground HSS-G high-speed steel ensures sharp edges and extended tool life
- 118° split point provides effortless self-centering without walking
- Suitable for structural steel, sheet metal, non-ferrous metals, and cast iron
- Requires reversible drills running in reverse mode
Technical Data
- Item number: 11290300400
- Drill diameter (d1): 4 mm
- Total length (L1): 75 mm
- Working length (L2): 43 mm
- Rotation: Left-hand (LH / Type LN)
- Standard: DIN 338
- Material: HSS-G
- Point angle: 118° Split Point