Refill kit

Twist drill with straight shank, short, DIN 338, type N, right-hand cutting, HSS-O

Advantages:

• Ideal for power tools

Reduced chip warping: Reduced power consumption and less frictional heat

Utilizes 100% of the output of power tools

• Top quality

Long service life

Elasticity according to the most recent findings

Optimised breakage resistance with all diameters

Can be reground

• Turbo cutter

50% faster than conventional twist drills owing to tip angle of 135°

No centre punch required

Drills all conventional materials in the trade sector such as steel, stainless steel, aluminium, brass, copper, plastics

• Coating

The multifunctional steam oxide (Fe2 O4) coating is an adhesive oxide coating with a thickness of 0.010 mm and offers the following advantages:

Improved adhesion of cooling lubricant on the drill surface prevents built-up edges and cold shuts.

Improves chip discharge from the cutter - reduced heat development in the critical zone.

Increased surface hardness - thus improved wear resistance.

Composition of set:

2 pieces each in dia. 2.5; 3; 3.5; 4; 4.5; 5;
1 piece each in dia. 3.3; 4.2; 5.5; 6; 6.5; 6.8; 7; 7.5

Advice:

From ø 13.5 mm shaft twisted off to ø 12.7 mm