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Fits 5/16" Hex Impact Bits
even in tight spots
1/4-28 Threaded Shaft
koken 1/4" dr socket set - 25pc 3/16"-1/2" & 4-13mm 2400m 6pt sockets - 4
heat-treated jaws and centre bolts
50mm BHC2 Adjustable Boring Head ImpUNF7/16Asst2 Fits 5/16" Hex Impact BitsThis precision boring head is the perfect tool for boring out very accurate holes on a vertical mill or a lathe. The combination three mounting holes gives a wide range of boring capacities. Inch metric graduation, min. 0. 0005" 0. 01mm. Adjustable feed 15mm (5 8"). Diameter 50mm Overall height 63mm Boring Bar Hole Diameter 12mm Mounting thread 1 1 2 18"