HSS Center Drill Bits R

• Customization: Available
• Customized: Customized
• Standard: JIS, AISI
• Model NO.: type R
• Length: Jobber-length
• Type: Center Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 1/8 to 1 Inch Diameter
• Standards: 64 HRC
• Cutting Process: Drilling Tools
• Work Type: Combined
• Transport Package: Industrial Plastic Box
• Specification: 0.8mm to 10mm
• Trademark: stc
• Origin: Zhenjiang Jiangsu
• HS Code: 82075090
• Production Capacity: Huge

Product Description

Our combined drill bit & countersinks ( center drill bits) are made from super quality high speed steel.

ANSI or DIN standard available.

Speical desighn available on request.

Type A--plain type. Type B--bell type. Type R.

They are cbn nc ground with special design flute guarantee long life and good working.

Kinds of sets (kits) available.

Kinds of coating available on request.

Size	Body Diameter	Overall Length		Size	Body Diameter	Overall Length
0.5	3.15	25		3.15	8	50
0.8	3.15	25		4	10	56
1	3.15	31.5		5	12.5	63
1.25	3.15	31.5		6.3	16	71
1.6	4	35.5		8	20	80
2	5	40		10	25	100
2.5	6.3	45		12.5	31.5	125