50050 Type 724 Professional Quality Hi-Carbon Steel Tap & Die Set 24pc Fractional NC/NF Tap & Round Die Set 50mm Bore Boston Gear change gears are

Boston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input

Material: Steel

Reduction Type: 800 Series InLine Helical Pre-Lubricated: Yes

• USDA H1 lubrication readily available

50050 Type 724 Professional Quality Hi-Carbon Steel Tap & Die Set 24pc Fractional NC/NF Tap & Round Die Set 50mm Bore Boston Gear change gears areMade of high carbon tool steel Sharp, clean cutting edges, hardened, and tempered to cut smooth threads Sets are available in round and hexagon styles Sets are packed in plastic cases Select sizes of dies may be imported Click Here for product catalog Proudly Manufactured in the U. S. A