M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Counterbore Twist Countersink Drill for Stainless Drilling and Chamfering (M4 180)

M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Counterbore Twist Countersink Drill for Stainless Drilling and Chamfering (M4 180)

Universal round handle, not easy to slip, firm and durable. M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast. Fully ground spiral cutting edge design, high-precision spiral chip flute design,Removed chip fast. 135 degree double rear angle, sharp drill pin, accurate positioning, no deviation.

Description: The countersunk head is made of M35 HSS-CO Cobalt, which can Easy process metal or non-metal products below 30 degrees HRC, such as Stainless,cast iron, tool steel, copper and aluminum, alloy steel, iron, die steel and so on. 

Specification: 

Name: Industrial Two step drill 

Material: M35 HSS Cobalt Angle: 90/180 Degree 

Sizes: OD (Hole Diameter) 

M12: OD(14X20) 

M10: OD (11X17.5) 

M8: OD (9X14)

 M6: OD (6.6X11) 

M5: OD (5.5X9.5) 

M4: OD (4.5X8) 

M3: OD (3.4X6.5) 

Quantity: 1pc (optional) 

Features: 

- M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast. 

- Fully ground spiral cutting edge design, high-precision spiral chip flute design,Removed chip fast. 

- 135 degree double rear angle, sharp drill pin, accurate positioning, no deviation. 

 Universal round handle, not easy to slip, firm and durable. 

- The counterbore is processed at one time. 

- Compatible equipment: machining center, bench drill, etc. 

Package Included: 1 x Industrial two step drill