INSIZE 4820 Series Universal Thread Pitch Gauge

INSIZE 4820 Series Universal Thread Pitch Gauge

Universal screw thread pitch gauge covering Metric 60°, Whitworth 55° and Unified 60° thread forms in one folding leaf set, for identifying thread pitch across multiple standards.

Features

• Multi-Standard Coverage - Metric 60°, Whitworth 55° and Unified 60° leaves in one set
• Graduated Leaf Set - Each leaf is cut to a standard thread pitch for direct comparison
• Medium Carbon Steel Leaves - Durable leaves hold their profile accuracy over repeated use
• Folding Holder - Compact folding case keeps leaves organised and protected
• Each Leaf Marked with Pitch - Every blade is clearly stamped with mm and TPI values
• Wide Pitch Coverage - Spans 0.25-6mm / 4-62 TPI across the leaf set

How to Use

• Select a Candidate Leaf - Choose a leaf that looks close to the thread pitch you are checking
• Engage the Leaf on the Thread - Fit the leaf teeth into the thread grooves
• Check for a Clean Fit - A leaf that seats fully with no light gaps is the matching pitch
• Confirm with the Marked Value - Read the pitch value stamped on the matching leaf

Specifications

Type: Universal Thread Pitch Gauge
Range: 0.25-6mm / 4-62 TPI
Material: Medium Carbon Steel
Origin: China