Specifications

1.High speed steel Material.
2.Strict heat treatment
3.Precisely Processing.

DIN374 Straight Flute HSS Machine Taps(Fine Teeth)

 

Specification:

1. Standard:	DIN376(Metric Size/UNF), Fine Teeth Straight Flute
2. Material:	HSS 4241(W4Mo2Cr4V), HSS 4341(W4Mo3Cr4V),
	HSS 6542(W6Mo5Cr4V2), M35 (W6Mo5Cr4V2Co5)
3. Hardness:	HSS4241: HRC59-61, HSS4341:HRC63-64, HSS 6542:64-65, HSS M35:HRC 66-67
4. Surface     finishing:	Bright finishing;Tin-coated; or customization
5.Application:	For drilling internal threads. Machining in the material of cast iron and common steel (hole depth can reach to 1.5d)

6. Size:M3*0.35 To M36*1.5

           1/4-28"UNF To 1-1/2"-12UNF

7.Thread standard type:

   M: Metric thread   

   UNC:Unity coarse tooth thread

   UNF:Unity fine tooth thread

 

The quality of HSS tools are basically decided by HSS raw material and heat treatment. We can

 keep a strict control of these procedure.

  

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