BSW or BSF thread gauge also commonly known as the British Whitworth Thread Gauge is used where the clearance between male and female threads is to be controlled. With the standardization of unified threads, the whitworth thread gauges are typically being utilized for replacement parts.

We provide these BSW/BSF thread gauges at reasonable prices and in specifications to the consumer needs. Our thread gauges can be availed in both regular and tailor made solutions to meet the specific requirements of our clients.

The majority of our british whitworth thread gauges are available to buy in a short lead time from our warehouses. Please contact us, to arrange these gauges for you.

Basic Dimensions: B.S.84-1956
Gauging Practice: B.S.919, Part III, 1971

Nominal Pitch Thread Plug Double-end GO & NOGO Rs Stock Thread Rings GO & NOGO RS Stock
1/8" 40BSW 2320 4470
3/16" 24BSW 1725 2980
32BSW 1790 4500
1/4" 20BSW 1480 2940
26BSF 1480 2940
5/16" 18BSW 1460 2910
22BSF 1460 2910
3/8" 16BSW 1460 2910
20BSF 1460 2910
7/16" 14BSW 1460 2910
18BSW 1460 2910
1/2" 12BSW 1460 2910
16BSF 1460 2910
5/8" 11BSW 1460 2910
14BSF 1460 2910
3/4" 10BSW 2450 5820
12BSF 1460 4440
7/8" 9BSW 2450 5820
11BSF 1460 4440
1" 8BSW 3120 5820
10BSF 2645 5820