MICRO 100 Runner Cutter: Carbide, 2 Flute, 20°, 1/32" Rad, 0.383 in Flute Lg
The MICRO 100 Runner Cutter: Carbide is a 2-flute, 20° type carbide runner cutter with a 1/32" radius, 0.383 in flute length, and 2" overall length (MPN MRT-187-031). 3G Electric interprets demand and delivers this…
SKU 3G-OTH-285025
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Product Description
The MICRO 100 Runner Cutter: Carbide is a 2-flute, 20° type carbide runner cutter with a 1/32" radius, 0.383 in flute length, and 2" overall length (MPN MRT-187-031). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls as a trust anchor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the MICRO 100 Runner Cutter used for?
The MICRO 100 Runner Cutter is a carbide end mill designed for precision machining of runner systems in injection molds and dies. Its 20° helix and 1/32" radius enable smooth chip evacuation and fine finishing in hardened steels and non-ferrous materials.
What are the specifications of the MICRO 100 MRT-187-031?
The MICRO 100 MRT-187-031 is a 2-flute carbide runner cutter with a 20° helix, 1/32" corner radius, 0.383" flute length, and 2" overall length. It uses a 1/4" shank and is designed for high-speed machining of mold runner channels.
Where to buy MICRO 100 runner cutters worldwide?
3G Electric supplies MICRO 100 runner cutters worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the MRT-187-031 or other MICRO 100 tooling.
How to select the correct MICRO 100 runner cutter for a mold?
Select based on runner channel width and depth: the 0.383" flute length suits shallow grooves, while the 1/32" radius reduces stress risers. Match shank diameter to your collet. For deeper cuts, consider longer flute lengths from MICRO 100's runner cutter range.
Used in
Common applications for MICROMICRO Products
3G Electric supplies MICRO carbide runner cutters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













