Carmex Internal/External Whitworth Threadmill Insert 21mm / 16 TPI / 21 - 16 W MT7 SOMTA - Series 541 HSS UNC Tap No. 6 Intermediate a practical and secure fitting

a practical and secure fitting designed for air testing and safety in plumbing installations

Somta Series 116

Key Advantage: Full-profile thread generation with high wear resistance and performance across general-purpose materials

offering a comprehensive solution for quick and secure thread repairs

and heavy-duty industrial components

Carmex Internal/External Whitworth Threadmill Insert 21mm / 16 TPI / 21 - 16 W MT7 SOMTA - Series 541 HSS UNC Tap No. 6 Intermediate a practical and secure fittingMill Thread Insert Whitworth 55, 16 TPI, Internal External The Carmex 21 16 W MT7 is a high precision thread milling insert engineered for cutting Whitworth (W) threads with 16 TPI. Designed for both internal and external applications, it delivers consistent 55 Whitworth thread profiles with superior surface finish and dimensional accuracy in mechanical and pipe fittings. Manufactured from MT7 ultra fine carbide, the insert provides excellent