We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
MICRO 100 MRF-187-031 Carbide Runner Cutter - Carbide Runner Cutters
MICROCarbide Runner Cutters

MICRO 100 MRF-187-031 Carbide Runner Cutter

The MICRO 100 Runner Cutter: Carbide is a 2-flute, 30° carbide runner cutter with a 1/32" radius, 0.262 in flute length, and 2" overall length (MPN MRF-187-031). 3G Electric interprets demand and sources this genuine…

SKU 3G-OTH-285026

Also listed as: MRF187031 · MRF 187 031

Brand
MICRO
Item
100 MRF-187-031 Carbide Runner Cutter
Category
Carbide Runner Cutters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MICRO
Manufacturer Part Number
MRF-187-031
Type
30°
OAL
2"
Flute
2
Rad
1/32"
Flute Lg
0.262 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 Runner Cutter: Carbide is a 2-flute, 30° carbide runner cutter with a 1/32" radius, 0.262 in flute length, and 2" overall length (MPN MRF-187-031). 3G Electric interprets demand and sources this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is a MICRO 100 Runner Cutter used for?

A MICRO 100 Runner Cutter is a carbide end mill designed for precision machining of runner systems in injection molds and dies. Its 2-flute, 30° helix geometry with a 1/32" radius enables efficient chip evacuation and smooth finishing in hardened steels and non-ferrous materials.

What are the specifications of the MICRO 100 Runner Cutter MRF-187-031?

The MICRO 100 Runner Cutter MRF-187-031 is a solid carbide tool with 2 flutes, a 30° helix angle, 1/32" corner radius, 0.262" flute length, and 2" overall length. It is designed for high-speed machining of mold runner channels and requires rigid setup for optimal performance.

Where to buy MICRO 100 Runner Cutters worldwide?

MICRO 100 Runner Cutters are available to order worldwide through 3G Electric, a global industrial equipment distributor. We source and deliver genuine MICRO tooling, handling full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead times.

How to select the correct MICRO 100 Runner Cutter for my mold?

Select a MICRO 100 Runner Cutter based on runner channel diameter, material hardness, and required corner radius. For general-purpose mold work, the MRF-187-031 with 1/32" radius suits small to medium runners. Match flute length to channel depth and use rigid toolholding to minimize deflection.

Used in

Common applications for MICRO
Aerospace machining — MICRO 100 SCLCR toolholders for turning titanium alloys
Automotive production — MICRO 100 SR series blanks for custom drill bits in engine blocks
Plastic component fabrication — MICRO 100 SFL downcut router bits for acrylic sheet cutting
Aluminum extrusion finishing — MICRO 100 SFA upcut router bits for deburring profiles
Mold and die making — MICRO 100 SCMCN toolholders for profiling hardened steel cavities
Composite panel trimming — MICRO 100 SFPM spiral router bits for carbon fiber laminates

MICRO 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Carbide tipped cut-off blade with two cutting ends, 11/16 in overall height and 5 in overall length. Used for parting and grooving operations on lathes and automatic screw machines to cut off finished parts from bar stock
MICRO
Carbide tipped cut-off blade with two cutting ends, 11/16 in overall height and 5 in overall length. Used for parting and grooving operations on lathes and automatic screw machines to cut off finished parts from bar stock
Solid carbide internal threading tool for precision threading operations in machining centers and lathes. Bright (uncoated) finish. 3/32 in center to cutting tip. Suitable for small-diameter threading applications requiring fine thread forms
MICRO
Solid carbide internal threading tool for precision threading operations in machining centers and lathes. Bright (uncoated) finish. 3/32 in center to cutting tip. Suitable for small-diameter threading applications requiring fine thread forms
Bright (uncoated) internal threading tool with 3/16 in shank diameter and 3/32 in center to cutting tip. Used for precision internal threading in small-bore applications
MICRO
Bright (uncoated) internal threading tool with 3/16 in shank diameter and 3/32 in center to cutting tip. Used for precision internal threading in small-bore applications
Carbide tipped cut-off blade with two cutting ends. Overall height 1/2 in, overall length 4-1/2 in. Used for parting off workpieces on lathes and automatic screw machines in metalworking operations
MICRO
Carbide tipped cut-off blade with two cutting ends. Overall height 1/2 in, overall length 4-1/2 in. Used for parting off workpieces on lathes and automatic screw machines in metalworking operations
Carbide internal threading tool with AlTiN coating for wear resistance and heat protection. Features a 5/16 in shank diameter and 0.1340 in center to cutting tip. Used for precision internal threading operations in machining, suitable for cutting threads in hard materials
MICRO
Carbide internal threading tool with AlTiN coating for wear resistance and heat protection. Features a 5/16 in shank diameter and 0.1340 in center to cutting tip. Used for precision internal threading operations in machining, suitable for cutting threads in hard materials
Carbide internal threading tool with AlTiN coating for enhanced wear resistance. Features a 0.1340 in center to cutting tip dimension. Used for precision internal threading on lathes and CNC machines in metalworking applications
MICRO
Carbide internal threading tool with AlTiN coating for enhanced wear resistance. Features a 0.1340 in center to cutting tip dimension. Used for precision internal threading on lathes and CNC machines in metalworking applications

More from MICRO

View all MICRO parts →
Solid carbide runner cutter with 2 flutes and a 20° helix angle. Features a 1/16" corner radius, 0.414" flute length, and 2-1/2" overall length. Used for machining runner channels and curved surfaces in injection molds and dies
MICRO
Solid carbide runner cutter with 2 flutes and a 20° helix angle. Features a 1/16" corner radius, 0.414" flute length, and 2-1/2" overall length. Used for machining runner channels and curved surfaces in injection molds and dies
Solid carbide runner cutter with 30° helix, 2 flutes, 1/16" corner radius, 0.287" flute length, and 2-1/2" overall length. Used for profiling, slotting, and finishing runner systems in injection molds and dies
MICRO
Solid carbide runner cutter with 30° helix, 2 flutes, 1/16" corner radius, 0.287" flute length, and 2-1/2" overall length. Used for profiling, slotting, and finishing runner systems in injection molds and dies
Solid carbide runner cutter with 2-flute design and 20° helix angle. Features a 1/32" corner radius, 0.383" flute length, and 2" overall length. Used for machining runner channels in injection molds and dies, suitable for hardened steels and non-ferrous materials
MICRO
Solid carbide runner cutter with 2-flute design and 20° helix angle. Features a 1/32" corner radius, 0.383" flute length, and 2" overall length. Used for machining runner channels in injection molds and dies, suitable for hardened steels and non-ferrous materials
Solid carbide runner cutter with 2 flutes and a 20° helix angle. Features a 7/64" radius, 0.366" flute length, and 2-1/2" overall length. Designed for machining runner channels in injection molds and dies, suitable for hardened steels and non-ferrous materials
MICRO
Solid carbide runner cutter with 2 flutes and a 20° helix angle. Features a 7/64" radius, 0.366" flute length, and 2-1/2" overall length. Designed for machining runner channels in injection molds and dies, suitable for hardened steels and non-ferrous materials
Solid carbide runner cutter with 2 flutes and a 30° helix angle. Features a 5/64" corner radius, 0.243" flute length, and 2-1/2" overall length. Designed for machining runner channels in injection molds and die-cast tooling
MICRO
Solid carbide runner cutter with 2 flutes and a 30° helix angle. Features a 5/64" corner radius, 0.243" flute length, and 2-1/2" overall length. Designed for machining runner channels in injection molds and die-cast tooling
Solid carbide runner cutter with 2 flutes, 20° helix angle, and 3/64" corner radius. Flute length is 0.308" and overall length is 2". Designed for machining runner channels in injection molds and die-cast tooling, suitable for hardened steels and non-ferrous materials
MICRO
Solid carbide runner cutter with 2 flutes, 20° helix angle, and 3/64" corner radius. Flute length is 0.308" and overall length is 2". Designed for machining runner channels in injection molds and die-cast tooling, suitable for hardened steels and non-ferrous materials