PROMAT Tightening bolt DIN 69872 shape A SK50 with bore

For tools with steep taper according to DIN 69871
– Case-hardened 58 +/- HRC Eht 0.5-0.8
– Soft-ground thread according to DIN
– Ground and burnished in parallel
– DIN 69872 shape A
– With bore Further technical information:
– d4: 11.5mm
– L2: 34mm
– L1: 74mm
– Shape: A
– d1: 28mm
– d2: 21mm
– d3: 25mm
– Standard: DIN 69872