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drill and counterbores

drill and counterbores

hss and micro carbide center drills

radius type, din333 form r
plain type: din333 form a, ansi standard
bell type: din333 form b, ansi standard
both standard and long series available

hss straight shank extra long drills

material: high speed steel,
inch sizes:
cut dia: 1/ 16” – 1”
overall lengrth: 6” , 8” , 10” , 12” , 16” , 18” , 24”
metric sizes
cut dia: 1.5mm -20.0mm
overall length: 150mm , 200mm , 250mm , 300mm , 350mm ,
400mm , 450mm , 500mm

hss taper shank twist drills, fully ground

made as per din345/iso/ansi standard
material: hss
size: 6.0mm – 90.0mm , 1/ 4” -2-1/ 2”
finishing: fully ground, white/black oxide/tin coated

step drills

material: hss/micro grain carbide
drilling range: 4.0 -12.0mm ,4.0 -20.0mm ,4.0 -30.0mm ,6.0 -38.0mm ,6.0 -26.75mm ,4.0 -39.0mm ,6.0 -32.0mm ,5.0 -28.0mm ,6.0 -37.0mm

hss core drills

for enlarging existing punched or drilled holes. straight shank is to be used in a chuck or collet sized proportionally to the drill diameter.
for enlarging holes in normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys.
used with either portable or stationary machines
to achieve optimal performance and extended tool life, suitable lubricating/cutter oils or appropriate coolant fluids are recommended for most drilling operations.
sizes: 1/ 4” -3” , 3 flutes, 4 flutes

hss countersinks

material: hssm2
type: 60°,82°,90°
3flute, 4 flute, 6flute, single flute, metric and imperial sizes
finishing: ground, tin coated
application: for producing machined countersink holes, right hand cutting direction.

hss counterbores

material: hssm2
type: hss counter bores, sizes: m1-m24
socket cap screw counterbores, sizse: 1/ 4” -1”
hss countinuous pilot counterbores, sizes: #6-#12, 1/ 4” -1”
interchangeable pilot counterbores, sizes: m2.5-m36, 3/ 16” -3”

address: no.25, baoding road, heping district,tianjing,china   zip:300040  
tel: 0086-22-60970706 0086-22-60970701 fax : 0086-22-60970700 e-mail :
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