Thread Check Inc. BSPT-1/8-PG Thread Plug Gage

Description:

The Thread Check Inc. BSPT-1/8-PG Thread Plug Gage with Handle is used in precision dimensional inspection to verify the accuracy and taper of 1/8-28 BSPT (RC1/8) internal pipe threads manufactured to BS 21 System B specifications. Commonly installed in machine shops, valve manufacturing facilities, hydraulic equipment production, pneumatic component manufacturing, and quality control laboratories for inspection of British Standard Pipe Taper threaded ports. Quality inspectors, machinists, and maintenance technicians use this thread plug gage for in-process inspection, final quality verification, calibration, and replacement of worn BSPT thread gauges.

Applications:

The Thread Check BSPT-1/8-PG thread plug gage is designed to verify RC1/8 BSPT internal tapered threads using the BS 21 System B inspection method, ensuring proper thread form, taper, and fit for pressure-tight threaded connections. It is widely used in the manufacture and inspection of valves, pumps, hydraulic manifolds, pneumatic fittings, compressors, instrumentation, and industrial piping components where compliance with BSPT thread standards is required.

Technical Specifications:

• Brand: Thread Check Inc.
• Part Number: BSPT-1/8-PG
• Product Type: BSPT Thread Plug Gage with Handle
• Thread Size: RC1/8 (1/8-28 BSPT)
• Thread Standard: BSPT (British Standard Pipe Taper)
• System: BS 21 System B
• Thread Form: Whitworth 55° Included Angle
• Threads per Inch (TPI): 28
• Gauge Type: Internal Taper Thread Plug Gage
• Application: Inspection of Internal BSPT Threads
• Handle: Included
• Certification: Calibration Certificate Included
• Inspection Method: GO Taper Thread Verification per BS 21 / ISO 7-2 System B
• Material: Hardened Tool Steel
• Suitable for Hydraulic, Pneumatic, Valve, and Pipe Thread Inspection Applications
• Designed for Precision Industrial Metrology and Quality Control

Common Replacements:

• Thread Check BSPT-1/8-PG-GO
• Vermont Gage RC1/8 BSPT Thread Plug Gage
• Meyer Gage RC1/8 BSPT System B Thread Plug Gage