REGAL CUTTING TOOLS Pulley Tap: 3/8"-16 UNC, H3 / 3B, 4 Flute, Plug Chamfer

The REGAL CUTTING TOOLS Pulley Tap (3/8"-16 UNC, MPN 008866AS) is a high-speed steel tap with H3 / 3B tolerance, 4 flutes, and a plug chamfer.

SKU 3G-OTH-308140

Also listed as: 008866 AS · 008866-AS

Brand

REGAL CUTTING TOOLS

Item

Pulley Tap: 3/8"-16 UNC, H3 / 3B, 4 Flute, Plug Chamfer

Part Number

008866AS

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

REGAL CUTTING TOOLS

Manufacturer Part Number

008866AS 

Type

H3 / 3B, Plug Chamfer, High Speed Steel 

Flute

4

Technical Documents

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REGAL CUTTING TOOLS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The REGAL CUTTING TOOLS Pulley Tap (3/8"-16 UNC, MPN 008866AS) is a high-speed steel tap with H3 / 3B tolerance, 4 flutes, and a plug chamfer.

Frequently Asked Questions

What is a REGAL CUTTING TOOLS pulley tap used for?

A pulley tap is designed to cut internal threads in pulleys, sheaves, and other components where the thread must align precisely with a keyway or set screw. This 3/8"-16 UNC tap with plug chamfer is ideal for general-purpose threading in maintenance and manufacturing applications.

What are the specifications of the REGAL CUTTING TOOLS 008866AS pulley tap?

This pulley tap has a 3/8"-16 UNC thread size, H3 / 3B tolerance class, 4-flute design, and plug chamfer. It is made from high-speed steel (HSS) for durability. The manufacturer part number is 008866AS, and it is produced by REGAL CUTTING TOOLS.

Where to buy REGAL CUTTING TOOLS pulley taps worldwide?

3G Electric supplies REGAL CUTTING TOOLS pulley taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 3/8"-16 UNC tap or other cutting tools.

How to select the right pulley tap for a 3/8"-16 UNC thread?

For a 3/8"-16 UNC thread, choose a tap with the correct thread pitch (16 TPI) and tolerance class (H3 for 3B fit). A plug chamfer is suitable for through holes or blind holes with sufficient clearance. High-speed steel (HSS) provides good wear resistance for general-purpose threading in steel or cast iron.

Used in

Common applications for REGAL CUTTING TOOLS

Lead screw manufacturing — Regal Cutting Tools Acme taps (e.g., 1"-5, 2G tolerance) for cutting internal threads in nuts and housings.

Jack and actuator assembly — Left-hand Acme taps (e.g., 1/2"-10, MPN 017602AS) for components requiring opposite thread direction.

Pipe fitting production — Extension pipe taps (1/4"-18 NPTF, MPN 015913AS) for threading deep or restricted holes in fittings.

Machine tool maintenance — Acme taps (e.g., 7/8"-6, MPN 015246AS) for repairing lead screws and linear motion assemblies.

Power transmission equipment — Acme taps (e.g., 5/8"-8, MPN 015007AS) for threading nuts and components in power-transmission systems.

General industrial threading — Regal Cutting Tools HSS Acme taps (various sizes) for producing internal threads in metal components.

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REGAL CUTTING TOOLS Products

3G Electric supplies REGAL CUTTING TOOLS pulley taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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