5/16"-16 HSS Round Adjustable Die, Special | 1-1/2" OD | Uncoated (Bright) | DWTSR112-51616

Specs

• Thread size: 5/16 inch diameter, 16 threads per inch
• Outer diameter: 1-1/2 inch
• Material: High Speed Steel (HSS)
• Finish: Bright, uncoated
• Type: Round adjustable die
• Count: 1 piece
• Chamfers: Both faces chamfered; one side provides a 2 to 3 thread chamfer, the opposite side provides a 1 to 1-1/2 thread chamfer
• Adjustment: Fine pitch screw moves the die halves apart or together
• Slot design: Beveled to permit removal of the adjusting screw; subsequent adjustment performed by the holder's screws when used with a machine holder

Features

• High Speed Steel construction for improved wear life during metal threading tasks
• Round adjustable die with dual chamfer faces to accommodate different threading needs
• One face offers a 2 to 3 thread chamfer for standard threading operations
• Opposite face offers a 1 to 1-1/2 thread chamfer for threading near a shoulder
• Fine pitch adjusting screw enables precise size control of the threading gap
• Beveled slot allows screw removal when used with a machine holder; final adjustment performed by the holder screws
• Bright uncoated finish supports clear inspection and straightforward maintenance
• Special variant designed for shoulder clearance and tight-tolerance threading tasks
• Use cases include threading shafts on lathes, repairing damaged threads, and production work requiring shoulder proximity

Physical

• Variant: Special
• Thread size: 5/16 inch diameter, 16 TPI
• Outer diameter: 1-1/2 inch
• Material: High Speed Steel
• Finish: Bright, uncoated
• Count: 1 piece
• Chamfer details: Dual face chamfers (2 to 3 threads on one face; 1 to 1-1/2 threads on the other)
• Adjustment mechanism: Fine pitch screw for gap control; beveled slot for compatibility with machine holder