Mortise Compression Router Bits

All measurements are in inches unless otherwise specified.

Mortise Compression Spirals

Technical Information

Nexus Series solid carbide router bits are designed for fast feed rates with an excellent finish. The short upcut allows a mortise cut with downcut action. Best for mortising and routing of double sided laminates and hardwoods.

Part Numbers

Part No. Flutes Hole Diameter Edge Length Upcut Length Shank Size Overall Length Helix Angle
551-2A00  Two Flute 1/4 7/8 .200″ 1/4 2-1/2 30˚
551-2A01  Two Flute 3/8 7/8 .200″ 3/8 3 30˚
551-2A02  Two Flute 1/2 7/8 .200″ 1/2 3 30˚
551-2A03  Two Flute 1/2 1-3/8 .200″ 1/2 3-1/2 30˚
551-2A04 Two Flute-LH 1/2 1-3/8 .200″ 1/2 3 -1/2 30˚
551-2A05  Two Flute 3/8 1-1/4 .200″ 1/2 3 30˚
551-2A06  Two Flute 1/2 1-1/8 .200″ 1/2 3-1/2 30˚
551-3700 Three Flute 3/8 7/8 .200″ 3/8 3 30˚
551-3701 Three Flute 1/2 7/8 .200″ 1/2 3 30˚
551-3702 Three Flute 1/2 1-3/8 .200″ 1/2 3-1/2 30˚
551-3703 Three Flute 1/2 1-1/8 .200″ 1/2 3 30˚

Download Product Spec Sheet

Safety Guidelines

BE CAREFUL. Always wear eye and ear protection along with dust masks. Avoid using bits while in loose clothing. Keep hands, body, clothing and hair away from the cutter. Do not remove safety guards, and be sure to always feed against the cutter rotation. Never use dull or damaged cutters. Disconnect power when changing bits or making adjustments, and always leave the power disconnected when not in use. Follow all safety recommendations of the power tool manufacturer. Peak Toolworks assumes no responsibility for defects, damage, or injury (direct or indirect) caused by misuse, abuse, alteration or modification of any product (including sharpening).

WARNING: Re-grinding of Peak Toolworks products will produce dust of potentially hazardous ingredients. Always read and follow owner’s safety manual of all power machinery before using bits. Always use eye protection while using this or any carbide cutting product.

WARNING: Peak Toolworks products can expose you to chemicals including lead and/or cobalt, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

WARNING: Drilling, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a mask or other safeguards for personal protection. For more information go to