Whitworth pipe thread ring gauge NO GO BSPP
10-07-027
Product Details
Title
BSPP Thread Ring Gauge G1/8–G2 NO-GO | Parallel Pipe Thread Ring Gauge Manufacturer Supplier
Description
BSPP Thread Ring Gauge NO-GO is a precision inspection tool designed for external parallel pipe thread rejection testing and tolerance verification. It offers a measuring range from G1/8 to G2, high-precision BSPP thread tolerance control, and a NO-GO limit design, making it suitable for plumbing systems, hydraulic applications, and industrial piping. Manufactured from hardened tool steel, this gauge ensures reliable performance for thread inspection, machining verification, and quality control applications.
SKU Table
| Model / Art No | Thread Size | Accuracy | Resolution |
|---|---|---|---|
| Multiple SKUs (see below) | G1/8 – G2 | BSPP standard | N/A (limit gauge) |
Available Models (Full List)
| Thread Size | SKU |
|---|---|
| G1/8"×28 | 17-3360-121 |
| G1/4"×19 | 17-3335-136 |
| G3/8"×19 | 17-3335-139 |
| G1/2"×14 | 17-3333-741 |
| G5/8"×14 | 17-3360-521 |
| G3/4"×14 | 17-3333-751 |
| G7/8"×14 | 17-3330-141 |
| G1"×11 | 17-3441-051 |
| G1 1/4"×11 | 17-3360-251 |
| G1 1/2"×11 | 17-3360-451 |
| G1 3/4"×11 | 17-3360-651 |
| G2"×11 | 17-3360-061 |
Technical Specifications
- Product Name: BSPP Thread Ring Gauge NO-GO (G Thread)
- Category: Pipe Thread Ring Gauge
- Range: G1/8 – G2
- Accuracy: BSPP thread standard tolerance
- Resolution: N/A (limit gauge)
- Material: Hardened tool steel
- Display: None
- Output: None
- Structure Feature:
- NO-GO ring gauge for rejection testing
- Parallel pipe thread (BSPP / G thread)
- Precision ground internal thread profile
- Front marking: thread size
- Back marking: serial number
- Standard: BSPP (ISO 228 equivalent)
- Brand: Custom / OEM available
- Model / Art No: Multiple SKUs
Applications
This product is suitable for:
- External BSPP (G) thread rejection inspection
- Pipe fitting tolerance verification
- Hydraulic and pneumatic system quality control
- Production line thread validation
It is widely used in:
- Plumbing systems
- Oil & gas industry
- Hydraulic equipment manufacturing
- Industrial piping systems
Selection Advice
- Recommended for users requiring strict BSPP thread tolerance verification (NO-GO inspection)
- For acceptance testing, use GO pipe thread ring gauges
- For internal threads, use pipe thread plug gauges (G thread)
- For tapered threads, consider BSPT (R thread) gauges
Key Features
- Designed for BSPP (G) parallel pipe thread standards
- NO-GO design ensures rejection of out-of-tolerance threads
- High-strength hardened tool steel construction
- Clear marking with serial traceability
- Packaging: plastic bag + transparent plastic box with labeled identification
FAQ
1. What is the difference between models?
Models differ by thread size (G designation) and pitch (TPI). All follow BSPP standard but are designed for specific pipe sizes.
2. Accuracy vs Resolution — what applies here?
- Accuracy: Defined by BSPP (ISO 228) tolerance standards
- Resolution: Not applicable, as this is a limit gauge
3. Manual vs Digital — where does this product fit?
This is a manual NO-GO inspection gauge, used for pass/fail validation rather than measurement.
4. Which industries typically use this product?
- Plumbing
- Oil & gas
- Hydraulic systems
- Industrial manufacturing
5. Is customization available?
Yes, customization options include:
- Special BSP thread sizes
- BSPT (taper thread) versions
- OEM branding and packaging
- Calibration certificates (traceable)