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Three bright high-speed steel hand taps in a set

Westward

Westward Hand Tap Set HSS 5/8-11 H3 Limit PK3

SKU CH-QQN2-T1KYT

Three-piece fractional tap set cuts UNC threads in 5/8-11 size with H3 limit and four-flute high-speed steel

  • Product typeFractional
  • High-speed steel construction resists wear during threading
  • UNC 5/8-11 thread standard matches common coarse-pitch applications
  • H3 limit class provides precise fit for general-purpose tapping
  • Four-flute design improves chip evacuation and thread finish
  • Three-piece set supplies taper, plug and bottoming taps

Thread size and purpose

This Westward hand tap set cuts internal UNC threads at 5/8-11 with an H3 limit. The three-piece package supplies taper, plug and bottoming taps so a single set covers the full threading sequence. High-speed steel construction suits general-purpose cutting in steel and non-ferrous metals.

Setup checks before use

Verify the workpiece material is compatible with uncoated high-speed steel and that the drilled hole matches the 5/8-11 UNC tap drill size. Confirm right-hand thread direction matches the application and ensure the machine or hand holder can accommodate the 3 13/16 in overall length. Lubrication appropriate for the material should be prepared in advance.

Build quality and daily use

Bright uncoated finish on high-speed steel provides standard wear resistance for intermittent hand or machine tapping. Four-flute geometry aids chip evacuation in through and blind holes. The 1 13/16 in thread length gives sufficient cutting depth for typical fastener engagement while the H3 limit ensures standard class-of-fit tolerance.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 73% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameWestward
Product typeFractional

Questions about this item

Does the set include the tap wrench or do I need to buy one separately?

The package contains three 5/8-11 UNC taps with four flutes each; a tap wrench is not included and must be purchased separately.

What does the H3 limit mean for choosing this tap over another class?

H3 is a standard pitch-diameter tolerance for general-purpose UNC threads, so this set suits typical through-hole or blind-hole work in steel or aluminium.

How deep can I cut threads with the 1 13/16 inch thread length in a single pass?

The 1 13/16 inch thread length sets the maximum continuous cutting depth; for deeper holes you will need to withdraw and clear chips or use an extension.

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