Acrow ER4034 – ER40 Spring Collet (Ø4–3 mm Range, DIN6499) Precision Type) HSS Intermediate Tap BSF ½″

HSS Intermediate Tap BSF ½″ x 16 – Somta Series 531

M3 x 6 – 50 PCS

you can efficiently restore threads with minimal downtime

Tooth Profile: Parallel Flutes

7mm Left-Hand Thread✔️ Material: High-Speed Steel (HSS) for strength and wear resistance✔️ Usage: Suitable for hand or machine tapping✔️ Thread Direction: Left-hand threading for anti-reverse fastening applications✔️ Application: Ideal for cutting new threads or cleaning existing internal threads

Acrow ER4034 – ER40 Spring Collet (Ø4–3 mm Range, DIN6499) Precision Type) HSS Intermediate Tap BSF ½″Acrow ER4034 ER40 Spring Collet (43 mm Range, DIN6499) The Acrow ER4034 is a high precision ER40 Spring Collet specially designed for clamping small diameter tools within the 43 mm range. Manufactured to the DIN6499 specification, it offers excellent concentricity, strong clamping pressure, and stable performance. Constructed from premium hardened spring steel, this collet ensures long service life and accuracy in CNC milling, drilling, engraving, and