REGAL CUTTING TOOLS Pulley Tap: 5/16"-18 UNC, H3 / 3B, 4 Flute, Plug Chamfer

The REGAL CUTTING TOOLS Pulley Tap (5/16"-18 UNC, MPN 008865AS) is a high-speed steel tap with H3 / 3B tolerance, 4 flutes, and a plug chamfer.

SKU 3G-OTH-308134

Also listed as: 008865 AS · 008865-AS

Brand

REGAL CUTTING TOOLS

Item

Pulley Tap: 5/16"-18 UNC, H3 / 3B, 4 Flute, Plug Chamfer

Part Number

008865AS

Local availability & support

Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

REGAL CUTTING TOOLS

Manufacturer Part Number

008865AS 

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 (5/16"-18 UNC, MPN 008865AS) 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 threaded hole must align precisely with a keyway or set screw. REGAL CUTTING TOOLS pulley taps are commonly used in power transmission and industrial maintenance applications.

What are the specifications of the REGAL CUTTING TOOLS 5/16"-18 UNC pulley tap?

This REGAL CUTTING TOOLS pulley tap has a 5/16"-18 UNC thread, H3 / 3B tolerance, 4 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 008865AS. It is designed for threading pulleys and similar components.

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 5/16"-18 UNC tap (MPN 008865AS).

How to select the correct pulley tap for a 5/16"-18 UNC thread?

Select a pulley tap with the exact thread size (5/16"-18 UNC), proper tolerance class (H3 for 3B fit), and plug chamfer for through-hole threading. High-speed steel material offers good wear resistance. Verify the tap matches your material and application depth before ordering.

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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