Trapezoidal Thread Gauges

Trapezoidal Thread Gauges

Trapezoidal Threads are used for translation motion in machine tools like lead screws, where rapid movement is required or in screw jacks, where load to be shared is more.

Specification:

ISO Specifications: Basic Dimensions: ISO 2901, DIN 103 & Gauging Practice: DIN 103 (9) : 1985.

IS Specifications: Basic Dimensions: IS 7008 : 1988, IS 7008 (4) : 1999 & Gauging Practice: DIN 103 (9) : 1985.

Manufacturing Range :

Thread Plugs, Thread Rings, Check Plugs & Wear Check Plugs of Diameter from 8 mm to 355 mm and pitches from 1.5 mm to 12 mm.

Gauge Type Diameter Range(MM) Pitches in mm Tolerance Class
Thread Plug Gauges. 8 - 300 1.5, 2, 3, 4, 5, 6, 7, 8, 10, 12
Pitches not covered here can be supplied if customer requests
As given in below Table
Thread Ring Gauges. 8 - 260 1.5, 2, 3, 4, 5, 6, 7, 8, 10, 12
Pitches not covered here can be supplied if customer requests
As given in below Table
Plain Plugs to check Minor Diameter of Internal Threads 8 - 285  
Plain Rings to check Major Diameter of External Threads. 8 - 285
Check Plug Gauges To check NEW Go & Nogo Ring Gauges as given above.
Wear Check Plug Gauges To check / calibrate USED Go & Nogo Ring Gauges as given above.
Check Ring Gauges To check NEW Go & Nogo Plug Gauges as given above.
Wear Check Ring Gauges To check / calibrate USED Go & Nogo Plug Gauges as given above.

TRAPEZOIDAL GAUGES FOR PVC PIPEAS PER IS 12818 – 1992, for sizes DN 100, DN 125, DN 150, DN 175 & DN 200, can be supplied.
TOLERANCE CLASS

 

Tolerance classes for Internal Threads (Plug Gauges) Tolerance classes for External Threads (Ring Gauges)
Tolerance position 'H' Tolerance position 'e' Tolerance position 'c'
N L N L N L
Medium 7H 8H 7e 8e - -
Coarse

8H

9H

    8c 9c