Hand Tap set of 3 pieces ISO 529 HSS-G - UN 4" x 8

Name: Hand Tap set of 3 pieces ISO 529 HSS-G - UN 4" x 8
Brand: VOLKEL
SKU: 82962
Price: 425985000.0 VND
Availability: OutOfStock

★ 0.0 (0 reviews)

Sold: 0

Imported from: United Kingdom

Origin: Made in United Kingdom

Hand Tap set of 3 pieces ISO 529 HSS-G - UN 4" x 8 by VÖLKEL, item no. 82962, suitable for cutting internal threads.

SKU: 82962

425.985.000 đ

Price includes VAT

Description

Hand Tap set of 3 pieces ISO 529 HSS-G - UN 4" x 8

Hand Tap set of 3 pieces ISO 529 HSS-G - UN 4" x 8 supports controlled thread cutting when you select it by thread system and apply it in a stable, guided setup. It fits typical shop workflows in machine building, service, and metal fabrication.

UN is the umbrella designation for Unified inch threads, used when the series is defined separately as coarse, fine, or special. ISO 529 indicates the referenced standard family or tool standard named in the product designation. HSS-G means ground high speed steel, which is commonly used when you need stable cutting behavior and clean thread flanks.

Application

Hand Tap Set use in repair and small batch work, including service workshops and mechanical engineering.
Thread production on prepared holes or blanks where alignment is controlled by a holder, guide, or machine spindle.
Process: manual driving or assisted driving depending on your holder and machine setup
Use: thread cutting, re tapping, and thread cleaning depending on condition
Use suitable lubrication and remove chips regularly so cutting edges do not pack up.
Thread system context: match the tool to the UN specification stated on the part or drawing.

Note Clean threads and tools before use, apply suitable lubrication for cutting operations, and stop if resistance rises sharply.

Benefits

Direct selection by thread designation such as UN when stated reduces setup mistakes.
Suitable for workshop processes where alignment and controlled engagement are practical priorities.
Supports consistent thread quality when you use steady feed and lubrication.
Works well for maintenance tasks where parts must be reworked to the drawing requirement.

Drawbacks

Not suitable for materials or hardness outside the typical range for the named tool material and execution.
Not intended for high performance production without a validated process and rigid machine conditions.

Step by step

Prepare the hole or existing thread so entry is clean and burr free.
Select a suitable holder and ensure the tool is aligned square to the thread axis.
Apply suitable cutting lubricant and start the cut with steady rotation.
Maintain even feed without side force so the tool follows the axis.
Reverse briefly to clear chips from the flutes, then continue with controlled engagement.
Stop when required depth is reached, then back the tool out completely.
Clean the thread and tool, then protect the tool from corrosion for storage.

Scope of supply

3 pieces Hand Tap set of 3 pieces ISO 529 HSS-G - UN 4" x 8

Technical features

Product type: Hand Tap Set
Standard: ISO 529
Thread designation: UN
Tool material or execution: HSS-G

Frequently asked questions (FAQ)

How do you decide between a hand tap and a machine tap for this thread? You choose by the driving method and the stability of the setup. Hand taps support controlled manual work, while machine taps support guided or powered driving with stable alignment. Where can you find detailed technical notes for hand taps? Use this reference for handling principles, selection logic, and typical workshop checks: Technical information hand taps as PDF What do you check before you start cutting the thread? Confirm the thread designation, the hole preparation, and the workpiece material. Keep alignment square to the axis and plan lubrication and chip evacuation. How do you reduce the risk of a tapered or oversize thread? Maintain alignment, avoid side load, and use steady feed. Clean chips from the cutting geometry and verify the first part against the specification. Where do you find the matching catalog for additional variants and reference data? Use the catalog for additional information and product family context: VD 23 catalog as PDF How do you choose the correct drill preparation without guessing values? Use a drill size chart that matches the thread system and the tool type. For inch based threads, confirm that the notation is interpreted correctly before drilling.

Do you need help selecting or using the product?
Use the contact form.

Specifications

Type of thread	Unified thread
Standard	ISO 529
Material	HSS-G
Tolerance	2B
Size	UN 4" x 8
Overall length (L1)	279 mm
Thread length (L2)	89 mm
Core hole diameter (D1)	98.5 mm
Shank diameter (D2)	56.0 mm
Drive connector	45.0 mm
EAN	4022835829621
Item number	82962
Type of flute	straight fluted
Application	for through and blind holes
Thread standard	ANSI B 1.1