HSS Twist Drill Bit for Metal, DIN 338, Ground, 3.9 mm, 1 pcs, Proline

Ground HSS metal drill bit to DIN 338, 3.9 mm, sold individually. The bit has a 135° point angle with chisel edge correction and is made by Proline.

The bit is fully ground, which gives high accuracy and straightness in the holes. The point angle and the chisel edge correction allow fast drilling and save time when centre punching. The material is top-grade refined high-speed steel, giving increased resistance to wear as well as increased resilience and strength against torsional stress.

The bits are packed and sold in a rectangular plastic tube: sizes 0.5-8.0 mm come 10 pcs per tube, 8.1-13.0 mm 5 pcs and 13.5-20.0 mm 1 pcs.