Specifications

1. HSS 4241 material;
2. TUV certificate;
3. delivery in time;
4. factory price;
5.nice product accuracy;

  

Product Name: 31 mm*301mm   Long DIN 345 Twist drills Professional quality Black flute &White edge Drilling equipment Twist drill bits

Product Description

 

Type:	HSS twist drill bit
Shank:	morse taper shank
Surface Finished:	Polished edge black flute
Standard:	DIN 345
HSS Material:	HSS 4241
Production Technic:	Milled
Point Angle:	118° / 135° or split point

 

Product Details

 

 

 

 

 

 

 

Different Surface Treatment :

Different production technics:

Production Technics	Suitable HSS Grade	Suitable Standard
Roll Forged	HSS6542/9341/4341/4241	DIN 345/ ANSI standard
Milling	HSSM35/6542/9341/4341/4241	DIN 345/DIN 340
Milled	HSSM35/6542/9341/4341/4241	DIN 345/DIN 340

 

Different specification:

 

  

  

 

  Different packing style:

1. Plastic pipe packing

2. Metal displaybox packing

3. Plastic tube packing

4. Plastic displaybox packing

5.  1pc / PVC bag,then 1pc / inner paper box

6.  Grey metal displaybox packing

7.  Metal box for drill bits set packing

8.  Wooden box for drill set packing