Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
OEM
Model Number:
Half Ground
Type:
Twist Drill Bit
Material:
High Speed Steel, 4241,4341,W9,M2
Use:
Metal Drilling
Size:
0.5–20mm
Standard:
DIN338, DIN340, DIN1897, Jobber Length
degree of angle:
118°,118° split point, 135° split point
Delivery Time
3-45days after confirming order
Product Description

TIANQI  twist drill bits are characterised by their
precision, high cutting performance and long service life, features that are guaranteed by way of selected high-speed steels and extensive quality control measures.

Main Features
Number
Suitable HSS Grade
No.1
HSS 4241
No.2
HSS 4341
No.3
HSS 9341
No.4
HSS 6542 (M2)
Above any of HSS can be made for Half Ground Drill.
Standard
Surface Treatment
Production Technic
Cutting Angle
DIN338
1. Black Oxide
Half  Ground 
118 °
DIN340
2. Black Flute & White Shank
118° Split Point
DIN1897
3. Black Flute & Gold Shank
Jobber Length
4. Bright Finish
5. Tin Coated 
6. Rainbow Color
Packing & Delivery

Packing Supplied For your Choice:

1. IN Square Plastic Tube, PVC Bag, Blister Card etc.,

Or if you have any other required package, we also accept it according to your requirement. 


Delivery Time:

Usually it’s 30-50days after confirming order. 

https://www.alibaba.com/product-detail/HSS-Straight-Shank-Twist-Drill-Half_60601099549.html

 

 

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