Thread Check Inc. Catalog 2025

BSP THREAD RING GAGES

BSP Thread Ring Gages Class A Description G1/8 x 28 BSPP Go Thread Ring Gage G1/8 x 28 BSPP No Go Thread Ring Gage G1/8 x 28 BSPP Go/No Go Thread Ring Gage Set G1/4 x 19 BSPP No Go Thread Ring Gage G1/4 x 19 BSPP Go/No Go Thread Ring Gage Set G3/8 x 19 BSPP Thread Ring Gage G3/8 x 19 BSPP No Go Thread Ring Gage G3/8 x 19 BSPP Go/No Go Thread Ring Gage Set G1/2 x 14 BSPP Go Thread Ring Gage G1/2 x 14 BSPP No Go Thread Ring Gage G1/2 x 14 BSPP Go/No Go Thread Ring Gage Set G5/8 x 14 BSPP Go Thread Ring Gage G5/8 x 14 BSPP No Go Thread Ring Gage G5/8 x 14 BSPP Go/No Go Thread Ring Gage Set G3/4 x 14 BSPP Go Thread Ring Gage G3/4 x 14 BSPP No Go Thread Ring Gage G3/4 x 14 BSPP Go/No Go Thread Ring Gage Set G7/8 x 14 BSPP Go Thread Ring Gage G7/8 x 14 BSPP No Go Thread Ring Gage G7/8 x 14 BSPP Go/No Go Thread Ring Gage Set G1 x 11 BSPP Go Thread Ring Gage G1 x 11 BSPP No Go Thread Ring Gage G1 x 11 BSPP Go/No Go Thread Ring Gage Set G1 1/8 x 11 BSPP Go Thread Ring Gage G1 1/8 x 11 BSPP No Go Thread Ring Gage G1 1/8 x 11 BSPP Go/No Go Thread Ring Gage Set G1 1/4 x 11 BSPP Go Thread Ring Gage G1 1/4 x 11 BSPP No Go Thread Ring Gage G1 1/4 x 11 BSPP Go/No Go Thread Ring Gage Set G1 1/2 x 11 BSPP Go Thread Ring Gage G1 1/2 x 11 BSPP No Go Thread Ring Gage G1 1/2 x 11 BSPP Go/No Go Thread Ring Gage Set G1 3/4 x 11 BSPP Go Thread Ring Gage G1 3/4 x 11 BSPP No Go Thread Ring Gage G1 3/4 x 11 BSPP Go/No Go Thread Ring Gage Set G1/4 x 19 BSPP Go Thread Ring Gage

Order Number

Price

BSPP-G1/8x28-RG-GO BSPP-G1/8x28-RG-NGO BSPP-G1/8x28-RG-SET BSPP-G1/4-PGRG-NGO BSPP-G1/4-RG-GO BSPP-G1/4-RG-SET BSPP-G3/8x19-RG-GO BSPP-G3/8x19-RG-NGO BSPP-G3/8x19-RG-SET BSPP-G1/2x14-RG-GO BSPP-G1/2x14-RG-NGO BSPP-G1/2x14-RG-SET BSPP-G5/8x14-RG-GO BSPP-G5/8x14-RG-NGO BSPP-G5/8x14-RG-SET BSPP-G3/4x14-RG-GO BSPP-G3/4x14-RG-NGO BSPP-G3/4x14-RG-SET BSPP-G7/8x14-RG-GO BSPP-G7/8x14-RG-NGO BSPP-G7/8x14-RG-SET BSPP-G1x11-RG-GO BSPP-G1x11-RG-NGO BSPP-G1x11-RG-SET BSPP-G1-1/8x11-RG-GO BSPP-G1-1/8x11-RG-NGO BSPP-G1-1/8x11-RG-SET BSPP-G1-1/4x11-RG-GO BSPP-G1-1/4x11-RG-NGO BSPP-G1-1/4x11-RG-SET BSPP-G1-1/2x11-RG-GO BSPP-G1-1/2x11-RG-NGO BSPP-G1-1/2x11-RG-SET BSPP-G1-3/4x11-RG-GO BSPP-G1-3/4x11-RG-NGO BSPP-G1-3/4x11-RG-SET

$459.00 459.00 918.00 380.00 380.00 760.00 406.00 406.00 812.00 446.00 446.00 892.00 486.00 486.00 972.00 486.00 486.00 972.00 538.00 538.00 1076.00 538.00 538.00 1076.00 618.00 618.00 1236.00 620.00 620.00 1240.00 644.00 644.00 1288.00 855.00 855.00 1710.00

British Standard Pipe Parallel Thread Gages per ISO 228 (Formerly BSP G Series)

Pipe Threads Where Pressure-Tight Joints Are Not Made On The Threads

The parallel pipe screw thread standard is specified in two parts. ISO 228: 200: Part 1 Dimensions, Tolerances and Designations. Part 2 Verification by Means of Limit Gauges. All BSP Thread Rings supplied in standard Class A tolerance. Class B is a loose tolerance twice the amount of class A. Class B in BSP thread gages only refers to the No Go thread ring gage. Class B No Go thread ring gages are priced on request. All BSP Gages over 3/8 are full form gages. All BSP threads have a 55 degree included thread form. Modified gages are available on request. In March 2003, The British Standards Institute withdrew BS-2779 and replaced it with ISO-228 (Technically BS-EN-ISO-228 ). This statement is that all requirements for BS-2779 will now be filled with ISO-228.

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