Spiracut Shaper Heads


  • For hand and automatic feed shaper operations
  • Excellent tool for rip and end grain cuts


  • CNC machined from solid steel for better accuracy
  • Spiral tooth design for reduced cutting pressure, faster feed rates, and less horsepower required over straight knife heads
  • Less noise generated
  • Minimal tear out
  • Individual teeth for lower maintenance cost

Technical Information

  • Stagger tooth design on one-piece, 2-wing head with replaces 2- wing straight knife heads
  • 25 degree hook is standard
  • Additional hook angles available upon request
  • Specify straight or cone collet bore
  • Bore sizes available in 1”, 1-1/8” and 1-1/4”
  • Other bores available upon request

Part Numbers

Part No. Head Diameter Teeth Cutting Width
SSH 4-3 4″ 18 3″
SSH 4-4 4″ 24 4″
SSH 4-5 4″ 30 5″
SSH 4-6 4″ 36 6″

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 http://www.P65Warnings.ca.gov.

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 http://www.P65Warnings.ca.gov.