Drill Bit for Construction of Stairs. Made in Germany

1664 cylindrical boring bit is a high-quality and versatile tool for precise drilling in wood and plastics. It features carbide-tipped cutting edges for durability and can handle hard and coated materials. The package includes an exchangeable center point, a 4mm pre-drill bit, and an allen key. Suitable for deep hole drilling with extension shanks.

Specially formed channel for removing chips, teflon-coated, changeable crest of thread HSS, two carbide tipped main cutting edges, protruding cutting edges and cylindrical shank with three clamping surfaces. Ground by diamond wheels on CNC-machines

Bormax® 2.0 prima with exchangeable pre-drill bit, centre drill bit or guiding pin. Much less feed force needed as well as minimized friction and therefore less heat generation. Reasons: The two main cutting edges are grooved shifted, as well as the toothed linear grooved pre-cutters. A matching centre drill bit and an allen wrench are included in the delivery. Hexagonal shank for a better power transfer

“Lewis” pattern, crest of thread, main cutting edge and taper tap in premium quality. Version with stepped head and hexagonal shank from Ø 8mm.

500 – 2800 rpm. e.g. Ø 12 mm 2000 rpm in soft wood. Further details in the speed diagram

“Lewis” pattern, with crest of thread, one main cutting edge and one taper tap. With lug for wooden handle
For drilling deep holes in soft wood (depending on the diameter) and also limited in European hard wood

Twist drill with long shank (SDS-plus) and specially ground roof-like tip which can be regrounded easily. Quality according to DIN 7490 and the valid safety regulations