Punch with countersunk head

similar to DIN 9861 standard part 2, type C with round or square base, similar ISO 9181

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Version:

Modified from punch DIN 9861 How to order: From punch with round base
  type D (see page 1.04 + 1.05). Hardened,   similar type C
  tempered and fully fine ground finished.   Diameter d1 = 4,5 mm
  Head hot forged and annealed.   d3 = 6,0 mm

 

    Total length l1 = 80 mm
Materials: HWS = High carbon high chrome steel   Base length l2 = 10 mm
  HSS =  High speed steel   High speed steel (HSS):
  Vanadis 23 = High performance powdered    
  high speed steel   Punch
  CPM 10V = High performance powdered steel   C-HSS 4,5 6,0 80 10
  For other materials see from Material Table    

 

For punch with square base
      similar to type C
      With base a = 3 mm
                      b = 4 mm
Hardness: Shaft: Material HWS                 d3 = 8 mm,
  and CPM 10 V HRC 62 2   Total length l1 = 80 mm
  Material HSS and   Base length l2 = 7 mm
  Vanadis 23 HRC 64 2   High speed steel (HSS):
  Head: Material HWS,    
  HSS, Vanadis 23   Punch with square base
  and CPM 10 V HRC 50 5   C-HSS 3 4 8,0 80 7
       

d1 a b d2 d3 h + 0,2 r l1 l2
h6 0,01 0,01   Tolerance h6 0   + 0,5 + 0,5
                0 0
      4,5 0,1 3,0 1,80  

Preferred

length = 71/80 and 100 mm
Further lengths: 60 and 90 mm

At customer's

request!

      5,5 4,0 1,80  
      6,5 0,2 5,0 1,80  
At customer's request! 8,0 6,0 2,23  
9,0 7,0 2,73  
      10,0 8,0 2,73  
      12,0 10,0 2,73  
      14,0 12,0 2,73  
      16,0 14,0 3,23  
      18,0 16,0 3,23  
      22,0 20,0 3,23