Carmex Threadmill Single Insert Toolholder 21mm Cut. SR0021H21Mill Thread Toolholder SR0021H21, 21 mm, Single Insert with Internal Coolant The SR0021H21 Mill Thread Toolholder is engineered for high performance thread milling with single insert setups, delivering precision and stability in challenging applications. With a cutting diameter of 21 mm and an internal coolant bore, this toolholder optimizes chip evacuation and thermal control during machining. Its secure screw clamping mechanism ensures consistent

this drill provides excellent chip evacuation

Ideal for multi-pitch threading with strong wear resistance

Range: 0-600mm/0-24"

Trusted Performance – SOMTA Tools are renowned for reliability and manufacturing excellence

graduation 1° (code 4799-180)

precise cutting and deburring across a variety of materials

✅ User-Friendly Design – Easy installation with a threaded shank and tool holder

Why Choose the 6

Insize Outside Micrometer w/ Counter

Cost-Effective Repairs: A budget-friendly option to restore damaged threads without the need for expensive replacements

Size (mm):  M20x1

Mill-Thread Toolholder – SR0020H14-2