Onsrud 63-715 Upcut Spiral Router Bit 0.1563 in Solid Carbide

Product Description

The ONSRUD 63-715 is a single-edge upcut spiral router bit ground from solid carbide and designed for cutting hard plastics and synthetic materials. The cutter diameter is 0.1563 inches with a 0.5625-inch length of cut, giving operators a precise, small-diameter tool suited to detailed profile and slot work. The right-hand upcut flute geometry pulls chips upward and out of the cut, reducing heat buildup and keeping the workpiece surface clean. A 21-degree helix angle balances chip evacuation with edge stability. This bit is sized for a 1/4-inch collet and is used by CNC routing technicians and production woodworking or plastics fabrication shops.

The 63-715 is intended for routing acrylic, nylon, PVC, polycarbonate, and solid surfaces. Its compact 0.1563-inch diameter makes it well suited to narrow slots, fine detail cuts, and tight-radius profiles in sheet or block plastic stock. At 2 inches overall length with a 1.4375-inch shank length, the bit seats securely in standard 1/4-inch CNC router collets without excessive overhang. Production shops cutting signage, point-of-purchase displays, or fabricated plastic components are the primary users of bits in this series.

Key Features

• Solid carbide construction for durability and edge retention in abrasive plastic materials
• Single-edge upcut flute design promotes aggressive chip evacuation and cleaner cut surfaces
• 21-degree helix angle balances cutting efficiency with bit stability at small diameters
• Uncoated finish suited to acrylic, nylon, PVC, polycarbonate, and solid surface materials
• Right-hand cutting direction compatible with standard CNC router spindle rotation
• Non-piloted design for full CNC-guided toolpath control

Compatibility

Designed for use in CNC routers equipped with a 1/4-inch collet. Rated for hard material applications including acrylic, nylon, PVC, polycarbonate, and solid surfaces. Part of the ONSRUD 63-700 series.

Installation Notes

This bit is installed and serviced by CNC routing technicians or qualified machine operators. Power down and lock out the router spindle before inserting or removing the bit. Insert the shank fully into the collet to the recommended engagement depth and torque the collet nut according to the router manufacturer specifications. Inspect the cutting edge for chips or wear before each production run, as solid carbide edges can fracture if the bit is dropped or impacted.