HSS-BORAR Steel precision drill for general, broad applica- tions in steel up to 850 N/mm 2 strength and cast iron. 20% less infeed force compared to conventional drills, with faster work progress and less expen- diture of effort Optimised cross thinning Highly accurate tapping without centring, even Ideal for producing core drill holes Highly precise tip grinding for precise drilling Excellent adhesion of cooling lubricants and a reduced tendency towards build-up Vaporised surface Suitable for machine type Drill, Cordless screwdrivers, Pedestal dril- ling machine Material to be processed Steel, Cast iron Quality ZEBRA-Premium Standard/drilling depth DIN 338/5xD Shank style Cylindrical Surface Vaporised Cutting material HSS Type RN Angle of the tip 130 Degree Service life ●●● Drilling speed (point system) ●●● Bore hole quality (point system) ●●● Versatility ●●○ Drilling behaviour (point system) ●●● Self-centring Yes Suitable for tensile strength up to 850 N/mm 2 Color Coding System ▉ Steel on curved surfaces Optimum cross-grinding
Diameter (Ø)
Length (l1)
Chip flute length (l2)
Art. no.
P. Qt
0624 000 050 10 0624 000 060 10 0624 000 070 10 0624 000 080 10 0624 000 090 10 0624 000 100 10 0624 000 110 10 0624 000 120 10 0624 000 130 10 0624 000 140 10
0.5 mm 0.6 mm 0.7 mm 0.8 mm 0.9 mm 1 mm 1.1 mm 1.2 mm 1.3 mm 1.4 mm
22 mm 24 mm 28 mm 30 mm 32 mm 34 mm 36 mm 38 mm 38 mm 40 mm
6 mm 7 mm 9 mm 10 mm 11 mm 12 mm 14 mm 16 mm 16 mm 18 mm
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