GSS TOOL MART 3/4" (19mm) Precision Arbor Adapter — 1-1/2" x 18 TPI. This high-quality arbor is precision machined to fit our 100mm fly cutters and 2" / 50mm , 3" / 75mm, 4" / 100mm boring head, giving you a secure, accurate connection between your tool and machine spindle without the wobble or runout that comes with a poor-fitting adapter.

The 1-1/2" x 18 TPI thread mates directly with the matching thread on our fly cutters and boring head, so alignment stays true and concentric under load. Built from strong, durable material and precision machined for accurate fitment, this arbor is a dependable replacement or upgrade for machinists who need consistent results on the mill.

GSS TOOL MART – Right Quality. Right Performance.

Key Features

• Precision-machined 3/4" (19mm) arbor adapter
• 1-1/2" x 18 TPI thread for secure mounting
• Compatible with 100mm fly cutters
• Compatible with 2" / 50mm , 3" / 75mm, 4" / 100mm boring head
• Accurate alignment with minimal runout
• Strong, durable construction for reliable long-term use
• Ideal replacement or upgrade arbor for milling setups

Specifications

• Brand: GSS TOOL MART
• Product Type: Arbor Adapter
• Arbor Size: 3/4" (19mm)
• Thread Size: 1-1/2" x 18 TPI
• Compatible Fly Cutter: 100mm
• Compatible Boring Head: 50mm / 2"
• Construction: Precision-machined, durable steel

Applications
Milling Machines • Fly Cutting Operations • Boring Operations • Workshop & Machining Applications • Machine Shops • Tool Rooms • General Metalworking

Compatibility Note
Please confirm thread size (1-1/2" x 18 TPI) and arbor diameter (3/4"/19mm) match your existing fly cutter or boring head before purchase, as fitment varies between manufacturers.