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LMT Onsrud 60-171MC Solid Carbide 2-Flute Marathon Coated Compression CNC Router Bit
Achieve ultra-clean, chip-free top and bottom edge finishes on laminated sheet stock with this genuine
Designed with a shorter upcut length (mortise-style upcut depth), the 60-171MC allows for compression cutting on thinner sheet goods or shallow dado and groove cuts without tear-out on the bottom face. Enhanced with Onsrud’s proprietary Marathon (MC) coating, this tool effectively dissipates high cutting heat and friction, drastically extending edge life during high-speed CNC nesting of double-sided melamine, laminated particleboard, MDF, cabinet-grade plywood, and veneers.
Key Features:
Compression Spiral Geometry: Forces top and bottom material fibers inward to deliver flawless edges on both sides of laminated sheet goods.
Short Upcut / Mortise Upcut Length: Engineered to allow complete compression cutting action even on thin materials and shallow grooves.
Marathon Coating (MC): High-heat resistant coating formulated to protect the carbide cutting edge and sustain fast feed rates in abrasive composites.
Solid Carbide Substrate: Premium micrograin solid carbide construction offers maximum rigidity and reduced deflection on production CNC routers.
| Specification | Details |
| Brand | LMT Onsrud |
| Part Number / MPN | 60-171MC |
| UPC / GTIN | 895680062680 |
| Tool Series | 60-100MC Series (Marathon Compression) |
| Cutting Diameter (CED / Dia) | 1/2" (0.500 in / 12.7 mm) |
| Length of Cut (CEL / LOC) | 1-3/8" (1.375 in / 34.925 mm) |
| Upcut Length (UCL / Mortise Depth) | Short Upcut (~0.188" / 3/16" Mortise) |
| Shank Diameter (SHK / SD) | 1/2" (0.500 in / 12.7 mm) |
| Overall Length (OAL) | 3-1/2" (3.500 in / 88.9 mm) |
| Number of Flutes | 2 Flutes |
| Cut Direction / Flute Type | Compression Spiral (Upcut / Downcut Combination) |
| Coating | Marathon (MC - High Heat Resistant) |
| Material / Substrate | Solid Carbide |
| Primary Material Application | Double-Sided Melamine, Laminates, MDF, Plywood & Thin Sheet Composites |
Onsrud is considered the premium supplier/manufacturer for plastic and wood cutting endmills.
The “rules of the tools” apply. What this means is that all unused tools can be returned for a full refund (minus freight), no questions asked.
The price of the sale is for each individual router.
| SHIPPING: Save on shipping costs by combining the shipping charges for multiple purchases of other store items. |
| If the shipping charges don't look right, don't pay but instead send me an email so I can send a corrected invoice. |
| US FLAT RATE SHIPPING OPTIONS: |
| One price for the complete order - ships through USPS Ground Advantage - free for this one UPS Ground Saver UPS 2nd Day Air |
| INTERNATIONAL SHIPPING OPTIONS: |
| International shipping is through the Ebay international shipping program, which which uses freight forwarders. These rates are based on estimated weight. If the charges look too high, then contact us to try to combine the order in one listing. |
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