HSS Countersink Drill Bits for Metal

• 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: 4.3mm to 100mm
• Transport Package: Plastic Box
• Specification: 4.3mm to 100mm
• Trademark: stc
• Origin: Zhenjiang Jiangsu
• HS Code: 82075090
• Production Capacity: 10000PCS Per Month

Product Description

DIN 335 countersink are with from high speed steel M2.

special forged technology make working life longer and cost lower.

type A, B,C, D available.

size from 4.3mm to 100mm.

tin and tialn coating available.
 

STC039, THREE FLUTES COUNTERSINKS,  Straight Shank
		Pict
DIN335C, 90° Angle.
60°, 82°, 120° Point Angle available also.
Size	Shank Diameter	Overall Length		Size	Shank Diameter	Overall Length
4.3	4	40		10.4	6	50
5	4	40		11.5	8	56
5.3	4	40		12.4	8	56
6	5	45		13.4	8	56
6.3	5	45		15	10	60
7	6	50		16.5	10	60
7.3	6	50		19	10	63
8	6	50		20.5	10	63
8.3	6	50		23	10	67
9.4	6	50		25	10	67
10	6	50		31	12	71
STC041, THREE FLUTES COUNTERSINKS, Taper Shank
	Pict
Included Angle: 60°, 90°, 120°
Size	Morse Taper	Overall Length		Size	Morse Taper	Overall Length
15	1	85		31	2	112
16.5	1	85		34	2	117
19	2	100		37	2	118
20.5	2	100		40	3	140
23	2	106		50	3	150
25	2	106		63	4	180
26	2	106		80	4	190
28	2	112		100	4	200
30	2	112