RUKO SCE-DIN223-5/16x18-BSW Round Die, 5/16 inch BSW, HSS-G

Round die for cutting external BSW threads with 5/16 inch diameter and 18 TPI, made from high-speed steel HSS-G with ground flutes. Its bright finish and precise thread profile ensure clean, accurate threads in unalloyed and low-alloyed steels, non-ferrous metals, and cast iron.

Advantages

Ground flutes provide excellent chip evacuation and reduce cutting forces. HSS-G material offers high wear resistance and long tool life. The 55° thread profile angle conforms to BSW standard for reliable thread fit.

Suitable for

• Manual threading with die stock
• Machine threading on lathes and threading machines
• Unalloyed and low-alloyed steels
• Non-ferrous metals
• Cast iron

Key specifications

• Thread standard: BSW (British Standard Whitworth)
• Nominal thread size: 5/16 inch
• Threads per inch: 18
• Die standard: DIN 223
• Die type: Round die
• Material: HSS-G (High Speed Steel - Ground)
• Cutting direction: Right-hand
• Outer diameter: 25 mm
• Thickness: 9 mm
• Thread profile angle: 55°
• Finish: Bright (uncoated)
• Application: External thread cutting

Recommendations

Use with a suitable die stock for manual threading or mount in a die holder for machine use. Apply cutting oil to improve surface finish and extend tool life. For best results, pre-drill the workpiece to the recommended core hole diameter for 5/16" BSW threads.