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Accud Screw Pitch Gauge — 30 pc (UNC / UNF / Whitworth) AC-924-042-30

$29.00

Accud 30-piece imperial screw pitch gauge 4-42 TPI. Covers UNC, UNF and Whitworth thread standards with hardened stainless blades.

Availability: 1 in stock

Barcode: 9346967027553 Brand:

Accud AC-924-042-30 — screw pitch gauge 30 pc available at Alltools Geelong. Shop our full screw pitch gauge 30 pc range in Geelong.

Accud

Accud Screw Pitch Gauge — 30 pc (UNC / UNF / Whitworth)

Part No: AC-924-042-30  |  Barcode: 9346967027553  |  Series: Accud 922/924/925 Pitch Gauges

The Accud AC-924-042-30 is a 30 pc fold-out screw-pitch gauge covering UNC / UNF / Whitworth threads. Hardened stainless-steel blades with stamped pitch markings — identify an unknown thread by matching the blade profile to the thread in seconds, rather than hunting through taps and dies. Imperial and Whitworth coverage for classic British machinery and US-spec fasteners.

30 pc Blades
UNC / UNF / Whitworth
Range: 42-4 TPI
Hardened Stainless
Stamped Markings

Thread Standards Covered

UNC / UNF / Whitworth
External Threads
Internal Threads

Key Features & Benefits

  • 30 pc hardened blades — each leaf is stamped with its pitch or TPI; identification is a visual match rather than guesswork.
  • Stainless-steel construction — resists rust in the toolbox; blades hold their tooth profile under repeated comparison against hardened threads.
  • Full UNC / UNF / Whitworth coverage — spans the workshop range in a single pocket tool; no hunting across multiple gauges.
  • Centre clamping screw — isolate a single blade when working on internal threads or awkward angles.
  • Workshop essential — core identification tool for matching mystery fasteners to taps, dies or replacement hardware.

When to Use the AC-924-042-30

Reach for the AC-924-042-30 when you’ve got an unknown thread to identify — a fastener without a box, a tapped hole to match a screw to, or a stripped thread to size before re-cutting. The 30-blade imperial version covers UNC, UNF and Whitworth threads on classic machinery and American-spec equipment.
Pro Tip: The correct blade seats cleanly across the full thread with no rocking. A near-match will seat in the centre but rock at the ends — that means you’ve picked the wrong pitch. Try blades on either side of your best guess and the right one announces itself by sitting flat across every tooth.

Product Specifications

Accud Screw Pitch Gauges — Full Range
Part No. Type Pieces Standard Range Barcode
AC-922-006-24 Screw Pitch 24 pc ISO Metric 6.0-0.25mm 9346967027423
AC-924-042-30 ★ Screw Pitch 30 pc UNC / UNF / Whitworth 42-4 TPI 9346967027553
AC-925-062-52 Screw Pitch Combined 52 pc Metric + Imperial 6.0-0.25mm, 62-4 TPI 9346967027447

★ You are viewing the highlighted variant. Other variants in this series are also available.

Brand: Accud
Series: Screw Pitch Gauge
Pieces: 30 pc
Standard: UNC / UNF / Whitworth
Material: Hardened Stainless
Pack Qty: 1

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