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which surface hardness of dowel pins A.60-64 HRC B. 50-54 HRC C. 58-60 HRC D. 49-56 HRC

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We need SPECIAL TEMPERATED PIN ( TUBE LIGHT LINE ) 
 HRC 58/60extra finishing Surface 4mm length
Dia 3mm 4mm 5mm 6mm 7mm, each 10 pieces
Kindly provide the contact details for the same

 

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