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