drill bit HSS-Co 8% DIN 338 TYP N-HD 3,5 mm

Straight shank twist drill, jobber series Professional HD drill bit/ Especially rugged drill bit made from highly alloyed HSS-Co (8% Co, 10% Mo) wit marked hot-hardness resistance/ /
Usage:Designed to drill: resistant sheets, steel and bronze up to 1400 N/mm² of solid and high strength alloys on CrNi-base and acid- and heat-resistant steels
Package: X-Pack with 10 pcs. up to ¯ 10; from ¯ 10,2 with 5 pcs. each; from ¯ 14,5 with 1 pcs. each
¯ mm 3,5
L 70
L2 39
Tolerance h8
material HSS-Co 8 %
Point grinding Tapered finish
point angle 135¡
web thinning Cross-ground finish with split point
Web thickness Thicker than regular
Helix angle Standard
Helix angle Standard
shape of flute Standard
Constructional features acc. to DIN 1414