InSize 4860-280 Gear Tooth Pitch Gage Range 6-80 20° Pressure Angle

The InSize 4860-280 is a precision gear tooth pitch gage designed for measuring and identifying gear pitch across a wide range of gear sizes. With a measurement range of 6 to 80 and a standard 20° pressure angle, this gage is an essential tool for machinists, gear engineers, and quality control technicians working with spur and helical gears.

Gear tooth pitch gages allow users to quickly and accurately identify the diametral pitch of a gear by matching the gage teeth profile to the gear being measured. InSize manufactures this gage to precise tolerances, ensuring reliable identification and inspection across a broad range of gear pitches commonly encountered in industrial and mechanical applications.

Key Features:

• Measurement range: 6 to 80 diametral pitch
• Pressure angle: 20° — the most common standard for modern gear systems
• Manufactured to precise tolerances for accurate gear pitch identification
• Durable construction suitable for shop floor and quality control environments
• Compact, easy-to-use design for fast gear inspection
• Suitable for spur gears, helical gears, and other standard gear forms

The InSize 4860-280 is part of InSize's professional-grade measuring tool lineup, built to meet the demands of precision manufacturing and inspection. It provides a reliable, cost-effective solution for gear pitch identification without the need for complex measurement setups.