E-Z Coil Kit 1/4"-20 X 1.5D Unc (Standard) Helicoil Thread Repair Somta Series 515 - HSSE-V Gun Nose Tap Metric (Fine making it suitable for general-purpose High speed steel HSS 3208-100B Insize Limit Micrometer 25-50mm Range Series 3235-50mm

making it suitable for general-purpose reaming applications

Somta Series 511 – Somta - Hss Metric Tap M9 x 0

Heavy interrupted cutting such as gears

Trusted for consistency and tool longevity

it provides a perfect balance between rigidity and precision for efficient internal threading at medium pitch sizes

E Z Coil Kit 1 4" 20 X 1.5D Unc (Standard) Helicoil Thread Repair Somta Series 515 HSSE V Gun Nose Tap Metric (Fine making it suitable for general purpose High speed steel HSS 3208 100B Insize Limit Micrometer 25 50mm Range Series 3235 50mm making it suitable for general purpose reaming applications Somta Series 511 – Somta Hss Metric Tap M9 x 0