High Speed Steel HSS Single Flute Countersink

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI, API
• Model NO.: metric and inch
• Length: Jobber-length
• Type: Countersink Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 1/8 to 3 Inch
• Standards: 64 HRC
• Transport Package: Plastic Tube Wood Case
• Specification: inch and metric
• Trademark: stc
• Origin: Zhenjiang Jiangsu
• HS Code: 82075090
• Production Capacity: 1000sets/Month

Product Description

Our single  flute countersink are made from super quality high speed steel M2.

hss cobalt available upon request.

They are designed for fast shearing and chatterless cuts.

They produce an exceptionlly fine finish and can be run at maximum speed.

The six cutting edges quickly center in hole and produce a smaller chip load for chatterless   machining.

special black finish treatment can increas hardness to 64 hrc.

widely used in portable applications.

ANSI standard and DIN standard.

kinds of coating available.

kinds of kits (sets) available.

Included Angle: 60°, 82°, 90°, 100°
Max cut diameter	Shank Diameter	Overall Length		Max cut diameter	Shank Diameter	Overall Length
3/16"	3/16"	1-1/2"		3/4"	1/2"	2-3/4"
1/4"	1/4"	2"		7/8"	1/2"	2-3/4"
5/16"	1/4"	2"		1"	1/2"	2-3/4"
3/8"	1/4"	2"		1-1/4"	3/4"	3-3/8"
1/2"	1/4"	2"		1-1/2"	3/4"	3-1/2"
5/8"	1/2"	2-3/4"		2"	1"	4-3/8"