Drill bit--Tungsten carbide center drill bit ? Product Description ? ? Application:General spotting drills,coating with could cut up to HRC52 Steels. Best material: we use the import material, AF,SANDVIK,KENNA,CB,etc. Quality:all our manufactured parts are inspected by advanced zoller mearsurement. Facility:we have the world lastest 5-axis tools grinding machines. Flexbility:non-standard sizes are accepted. The specification is below: Part? No.????????????????????????????????? Dimension
???????????????????? Flute dia (d) Flute length ( l1 ) Shank dia (D) Total length(L)
-010-?40???????? 1.00?????????????????? ?1.6??????????????? 3.15?????????????? ??????? ?40
-0125-40??????? 1.25??????????????????? 1.8??????????????? 3.15?????????????????????? ?40?
-016-40??????? ??1.60??????????????????? 2.4??????????????? 4.00???????????????????????? 40
-020-40??????? ?? 2.00?????????????????? 2.8??????????????? 5.00??????????????????????? 40
-025-50???????? ? 2.50????????????????? 3.4???????????????? 6.30??????????????????????? 50
-0315-50???? ? 3.15??????????????????? 4.1?????????????????8.00?????????????????????? ?50
-100-60?????? ? 4.00?????????????????? ?5.2?????????????????10.00?????????????????? ?? 60
-125-70?????? ? 5.00????????????????????6.5???????????????? 12.50????????????????? ?? ?70
-160-70??????? ?6.30?????????????????? ?8.2??????????????? 16.00?????????????????????? 70
-200-80?????? ? 8.00????????????????? 10.5??????????????? 20.00???????????????????? ?80 Number of flutes:2 the type of flutes are straight flute and sprial flute. ? Dimension ? ? ? ? ?