WD13250-25PCS HSS Twist drill bits set cobalt drills

WD13250-25PCS HSS Twist drill bits set cobalt drills

  • DIN338 HSS co5% fully ground twist drill bits

  • Packed in plastic case

  • The HSS co5% drill is ideal for drilling high-strength stainless, acid-resistant and heat-resistant steel


WD13250-25PCS HSS Twist drill bits set cobalt drills

DIN338 standard fully ground twist drill bits with amber surface treatment

Ideal for drilling on stainless steel, mild steel, copper, aluminium, zinc alloy etc.

parallel shank

plastic box packing

Drill bits made from M35 cobalt material

Contents:

1, 1.5,2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8,8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm

WD10190 19pcs rolled drill bits 1

DIN 338 standard
D(mm)L1(mm)L(mm)
11234
1.52043
22449
2.53057
33361
3.23665
3.23665
3.23665
3.23665
3.53970
44375
4.24375
4.54780
4.85286
55286
5.55793
65793
6.563101
769109
7.569109
875117
8.575117
981125
9.581125
1087133
10.587133
1194142
11.594142
12101151
12.5101151
13101151