Harden 580412 Thread Pitch Gauge, 52‑Leaf, Metric 60° & Whitworth 55°, Hardened Steel, Pocket Size

A compact 52‑leaf thread pitch gauge that identifies both metric 60° and British Standard Whitworth 55° threads in seconds, ideal for automotive, machinery, and restoration work. Made from hardened, corrosion‑resistant steel with clear size markings on each leaf, the tool folds into a pocket‑size body for safe carry and quick reference on the job.

Key features

• Dual standard coverage: Metric 60° and BSW/Whitworth 55° in one gauge

• 52 precision‑cut leaves with etched size markings for fast, accurate ID

• Hardened steel, polished finish for durability and rust resistance

• Fold‑out, fan‑style leaves with a pivot screw for smooth selection

• Pocket‑sized and lightweight for field service, shop, or toolbox use

Specifications

• Model: 580412

• Leaves: 52 total (mixed metric and Whitworth)

• Typical metric range: 0.25–6.0 mm pitch

• Typical Whitworth range: 4–62 TPI (G)

• Material/finish: Hardened steel, corrosion‑resistant finish

• Form factor: Folding, pocket‑size with locking pivot

In the box

• 1 × Harden 580412 52‑leaf dual‑standard thread pitch gauge

Harden 580412, 52 piece thread pitch gauge, metric and Whitworth thread gauge, 60 degree metric gauge, 55 degree BSW gauge, screw pitch gauge, thread identifier tool

• Meta title: Harden 580412 Thread Pitch Gauge | 52‑Leaf Metric 60° & Whitworth 55° | Hardened Steel

• Meta description: Quickly identify screw threads with the Harden 580412 52‑leaf gauge. Metric 60° and Whitworth 55° in one pocket‑size tool—hardened steel leaves with clear markings for accurate pitch measurement.