Whiteside HMA-1/4A Helix Mortise Arbor - 1/4" Shank - official product photo

Whiteside HMA-1/4A Helix Mortise Arbor - 1/4″ Shank

$7.00 $9.00

SKU: HMA-1/4A Whiteside Machine Company

Only 5 left!
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These arbors are designed to hold our replaceable Helix Mortise heads.

  • TOOL SPECS: Helix mortise arbor with 5/16"-24 thread, 1/4" shank, and 1-3/4" overall length for use in routers with a 1/4" collet.
  • HELIX MORTISE ARBOR: These arbors securely hold replaceable helix mortise heads, ensuring stable and reliable performance for your mortising needs.
  • STEEL ARBOR: High quality steel provides the strength and durability that is required for long production runs when mortising.
  • THREAD TYPE: Features a 5/16"-24 thread.
  • SHANK SIZE: Designed for use in a 1/4" router collet.

Availability: In stock at our supplier — typically ships in 3–7 business days. Contact us to confirm lead time on larger quantities.

Feeds & Speeds
Based on published chip-load charts. Full calculator →
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