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BOMI BMA 30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal
BOMI BMA-30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal
BOMI BMA-30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal
BOMI BMA-30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal
BOMI BMA-30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal
BOMI BMA-30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal
BOMI BMA-30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal

BOMI BMA 30 milling tools drill bit manufacturers Aircraft Extension twist Extra long drill bits set for metal

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Product Overview

Description









Product Overview


NAS907 Type J 6 12 Inch HSS Aircraft Extension Extra Long Drill Bit for Metal
Material
HSS (HSS Cobalt is Available) Fully Ground (Rolled & Polished, Rolled, Milled are Available)
Process Extra Long DIN1869 (DIN338, Stub DIN1897, Long DIN340, Blacksmith Reduced Shank 10mm, 13mm, DIN345 Taper Shank are Available) Standard 6,12 inchAirctraft Extensoin (Jobber Length, Stub Screw Machine Length. Long Taper Length, Silver & Deming 1/2" Reduced Shank areAvailable)
Size 1-13mm,1/16" -1"
Point Type 135 Degree Split Point (118 Degree Regular Point, Turbo Max Point, Pilot Point areAvailable) Straight Shank (Hex Shank, Tri-Flats Shank, Double R Hex Shank, Reduced Shank, Shank Type Threaded Hex Shank, TaperShank are Available)
Regular Spiral Type N (Slow Spiral Type H, Fast Spiral Type W, Left Hand Spiral are Available)
Helix Angle
Web & Flute Type Regular Web & Flute (Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute are Available) Surface
Finish Bright (Black Oxide, Amber Color, Titanium, Black & Gold, Black & Bright are Available) 10/5 Pcs in PVC Pouch, Plastic Box,
Individually in Skin Card, Double Blister, Clamshell.
Package
1.High-speed steel tools are good for most general purpose
applications, offering a combination of hardness and toughness for wear resistance.
2.No center punch is needed—the aggressive135° Quick-Cut points are self-centering and penetrate quickly Features with less pressure.Will not "walk"or"wander".
3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance
4.High Speed Steel(HSS) Aircraft Extension Drill Bits are made to the NAS 907 type J, type B standard.
5.Long flute and overall length design is for jobs requiring extra reach or for deep hole drilling.


Right elevation
Left elevation
Front elevation


SALES AND SERVICE NETWORK


Product specification
Diameter
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
260




SIMILAR PRODUCTS




Company Overview
Changzhou Bomi Tools Co., Ltd is a manufacturer and trader specialized in the research, development and production of Long length
twist drills, Taper drills, Step drills. All of our products comply with international quality standards and are greatly
appreciated in a variety of different markets through out the world.
FACTORY
1) We're a direct manufacturer and 100% export to worldwide(USA, Isrel, Jordan, Thailand,Duabai, South Africa, Kenya, Egypt, Australia, UK, Spain, Brazil, etc)
2) We have around 10 years producing experience.
3) Our drill product:HSS drill bits, masonry drill, SDS drill,glass&tile drill, step drill,Taper Point Drill Bit ，Center Drill Bit, Brad Point Drill Bit, drill set etc.
4) Above 95% customers will place a formal order after testing the samples.




A variety of product classification details
More product details are displayed for reference


application
Used for woodworking, wall, metal
packaging and shipping
Transport by sea freight by air express


Photos of hardware Exhibition
Participated in Shanghai hardware exhibition, Japan exhibition, Zhejiang Yongkang show pictures




Display of packaged products
step drill bit set ,sds plus drill bit set,wood spade drill bit set


FAQ
1. who are we?
We are based in Jiangsu, China, start from 2017,sell to North America(24.00%),Western Europe(18.00%),South America(17.00%),Southern Europe(10.00%),Eastern Asia(7.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Domestic Market(5.00%),Mid East(3.00%),Northern Europe(3.00%),Oceania(2.00%),South Asia(00.00%),Africa(0.00%),Central America(0.00%). There are total about 1-20 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Drill Bit/Hole Saw/Saw Blade/

4. why should you buy from us not from other suppliers?
We have a professional service team, with product quality as the core, customer as the center, to provide quality service chain, to solve all customer concerns.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDU；
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: null;
Language Spoken:English,Chinese,Korean


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