HSS Extra Long Twist Drill Bits

• Customized: Customized
• Standard: DIN, JIS, AISI, API
• Length: Taper-length
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Wood Drilling, Metal Drilling
• Model NO.: metric and inch
• Transport Package: Plastic Box
• Specification: 3-20mm
• Trademark: stc
• Origin: Jiangsu
• HS Code: 8207509000
• Production Capacity: 10000 PCS Per Month

Product Description

Material  HSS (Cobalt HSS-E is Available on request)
Process  milled .
Standard   DIN  ANSI  JIS  BS
Point Type     118 Degree Regular Point
Shank Type    Straight Shank

Helix Angle    Regular Spiral Type N (Slow Spiral Type H, Fast Spiral Type Ware Available)
Web & Flute Type Regular Web & Flute (Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute are Available)

Surface Finish Bright ,Black Oxide

 

iameter	Overall Length	Flute Length	Overall Length	Flute Length
2	125	85	160	110
2.5	140	95	180	120
3	150	100	190	130
3.5	165	115	210	145
4	175	120	220	150
4.5	185	125	235	160
5	195	135	245	170
5.5	205	140	260	180
6	205	140	260	180
6.5	215	150	275	190
7	225	155	290	200
7.5	225	155	290	200
8	240	165	305	210
8.5	240	165	305	210
9	250	175	320	220
9.5	250	175	320	220
10	265	185	340	235
10.5	265	185	340	235
11	280	195	365	250
11.5	280	195	365	250
12	295	205	375	260
12.5	295	205	375	260
13	295	205	375