Specifications

1. M2, M35 are available
2. 3PCS step drill set wiith metal box
3. For all materials in sheet
4.. Wall thickness up to 4mm

3PCS step drill set , HSS step drill bit set with metal box. 

 

1. M2, M35 are available

2. 3PCS step drill set with metal box

3. For all materials in sheet

4.. Wall thickness up to 4mm

5. Tin-coated

 

 

Material	HSS W4/W9/M2/M35
Flute type	Spiral Flte, Twist flute
Shank	Straight Shank
Surface treatment	Bright Finished, Tin-coated.
Point Angle	118 degree point
Application	For drilling in sheet, pipes and workpieces
Pakcing:	1.  Single piece packed in clam shell
	2.  Step drill in sets are available.

 

 

Advantages: 

1. No Centering required, the drills do not run off center.

2. A variety of hole diameters can be drilled using only one tool, and the tool can display the dimensions. 

3. The dimension of drilled hole is exact. 

4. Holes are de-burred by the following level, and cylindrical bores are produced. 

5. Even very thin-walled materials can be drilled. 

 

 

 

 

 

 

3 PCS STEP DRILL SET with Metal Box

Material	HSS W4, HSS W9, HSS M2, HSS Co 5%
Flute	Spiral shank, Twist shank
Shank	Straight Shank
Size:	4.0-12.0mm, 4.0-20.0mm, 4.0-32.0mm 1/8"-1/2", 1/4"-3/4", 3/16"-7/8"
Packing	3PCS packed in sets , other box sets are available

 

  

 

TONGYU's philosophy is based on three principles: safety, efficiency and precision.

 

Pls. contact us freely for more information, I will reply you ASAP!

 

Hope you will enjoy a comfortable cooperation with us!