Specifications Professional Engineering Quality 170Pc HSS Twist Drill Set
170pcs hss drill bit set, metal box package
size: 1.0mm-8.0mm *10pcs + 8.5mm-10.0mm*5pcs = 170pcs
170pcs hss drill bit set, metal box package
size: 1.0mm-8.0mm *10pcs + 8.5mm-10.0mm*5pcs = 170pcs
This is a comprehensive set of engineering drill bits for the professional. If you're in the industrial sector and using drills every day, then you'll need a set that you can rely on.
This set has an aggressive 118 pitch, X split points to avoid skating, made from 4241 steel which has been hardened and tempered. The point is 135° for a perfect cut every time, it's durable, hard working and works at very high speed.
Ranging from 1mm all the way to 10mm you'll have all the drill pieces you need whether you’re a professional or even the DIY enthusiast. 170pcs hss drill bit set
material: hss 4241, hss4341, cutting for metal, roll forged
(Surface treatment: bright finished, black finished, titanium finished)
material:hss 9341, HSS M2, HSS M35 cutting for stainless steel, fully ground
(surface treatment: amber finished, bright finished)
size: 1.0mm-8.0mm *10pcs + 8.5mm-10.0mm*5pcs = 170pcs
package: metal box package with paper box then in exp. carton.
