4mm B1 5mm B1 6mm C1 8mm C1 Broaches with 13 Collared Bushings + 5pcs shims for CNC Machine. 4 broaches: 4mm B1, 5mm B1, 6mm C, 8mm C. 13 Collared bushings: B1-12,14,15,16, C-18,19,20,22,24,25,26,28,30. 4 broaches and 13 bushings = 26 keyway combinations.The item "22pcs Keyway Broach Bushing Shim Set Metric System 12-30 HSS Keyway Tool CNC Ts" is in sale since Wednesday, March 27, 2019. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Supplies\Broaches\Keyway Broaches". The seller is "tech-zoom" and is located in cn,cn. This item can be shipped worldwide.