High Speed Steel Center Drill

• Customized: Customized
• Standard: DIN, JIS, AISI
• Length: Jobber-length
• Type: Center Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Model NO.: metric and inch
• Size: 0.5mm to 12mm
• Transport Package: Plastic Box
• Specification: 0.5mm to 12.5mm
• Trademark: stc
• Origin: Jiangsu
• HS Code: 82077090
• Production Capacity: 100000PCS Per Month

Product Description

We only use super high speed steel to make this drill bits.

kinds of coating available. tin, tialn .

specical design available on request.

taper shank available on request.

regular length and long length available.
 

STC036-M, METRIC SIZE CENTER DRILL
DIN333,  GOST14952
FROM R, R TYPE, 60° Angle
		Pict
Milled / Ground
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
FROM A, PLAIN TYPE, 60° Angle
		Pict
Milled / Ground
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
FROM B, PLAIN TYPE, 60° & 120° Angle
		Pict
Milled / Ground
Size	Body Diameter	Overall Length		Size	Body Diameter	Overall Length
1	4	35.5		4	14	67
1.25	5	40		5	16	75
1.6	6.3	45		6.3	20	80
2	8	50		8	25	100
2.5	10	56		10	31.5	125
3.15	11.2	60
STC037-M, METRIC SIZE CENTER DRILLS, Long Series, Form A
FORM A, PLAIN TYPE, 60° Angle
		Pict
Milled / Ground
Size	Body Diameter	Overall Length		Size	Body Diameter	Overall Length
0.75	3.5	60		3	8	80
1	4	60		3	10	100
1.5	5	60		4	10	100
2	6	80		4	12	100
2.5	8	80