Somta Series 732 – 5/32" HSS Hand Taper Pin Reamer

Somta Series 732 – 5/32" HSS Taper Pin Reamer | 7320397

The SOMTA 7320397 is a precision 5/32" HSS Hand Taper Pin Reamer designed for finishing tapered holes to standard pin dimensions. Its precision-ground flutes and 1:48 taper produce smooth, accurate holes ideal for tight-fitting taper pins in fixtures, tooling, and assembly work.

Key Features & Benefits

• High-Speed Steel Construction – Offers excellent cutting performance and durability.
• 1:48 Taper Ratio – Standard fit for BS 328 taper pin systems.
• Straight Flute Design – Enables smooth hand operation with precise material removal.
• Precision Ground Finish – Produces accurate taper holes with minimal surface roughness.
• Reliable Alignment – Ensures accurate seating of pins for precision assemblies.

Technical Specifications

• Part No: 7320397
• Series: 732
• Tool Type: Hand Taper Pin Reamer
• Nominal Diameter: 5/32" (3.969 mm)
• Taper Ratio: 1:48
• Small End Diameter (d₁): 4.01 mm
• Large End Diameter (d₂): 2.95 mm
• Flute Length (l₂): 50.8 mm
• Overall Length (l₁): 76.2 mm
• Material: High-Speed Steel (HSS)
• Standard: BS 328
• Flutes: Straight

Why Choose SOMTA Cutting Tools?

• Precision Fit – Maintains exact taper tolerance for consistent pin seating.
• Long Tool Life – Retains sharpness and accuracy under repeated hand use.
• Excellent Surface Finish – Minimizes secondary finishing steps.
• Global Standard – Trusted SOMTA quality across industries.

SOMTA Tools provides high-precision taper reamers built for mechanical excellence. Distributed by Twin Eagle – your professional supplier of industrial cutting tools.