Thread Check Catalog 2023

BSW THREAD PLUG GAGES

BSW Thread Plug Gages Description

Order Number

Price

1/8 x 40 BSW Go/No Go Thread Plug Gage w/handle

BSW-1/8 x 40-PG-DE BSW-1/8 x 40-PG-GO BSW-1/8 x 40-PG-NGO BSW-3/16 x 24-PG-DE BSW-3/16 x 24-PG-GO BSW-3/16 x 24-PG-NGO BSW-1/4 x 20-PG-DE BSW-1/4 x 20-PG-GO BSW-1/4 x 20-PG-NGO BSW-5/16 x 18-PG-DE BSW-5/16 x 18-PG-GO BSW-5/16 x 18-PG-NGO BSW-3/8 x 16-PG-DE BSW-3/8 x 16-PG-GO BSW-3/8 x 16-PG-NGO BSW-7/16 x 14-PG-DE BSW-7/16 x 14-PG-GO BSW-7/16 x 14-PG-NGO BSW-1/2 x 12-PG-DE BSW-1/2 x 12-PG-GO BSW-1/2 x 12-PG-NGO BSW-9/16 x 12-PG-DE BSW-9/16 x 12-PG-GO BSW-9/16 x 12-PG-NGO BSW-5/8 x 11-PG-DE BSW-5/8 x 11-PG-GO BSW-5/8 x 11-PG-NGO BSW-3/4 x 10-PG-DE BSW-3/4 x 10-PG-GO BSW-3/4 x 10-PG-NGO BSW-7/8 x 9-PG-DE BSW-7/8 x 9-PG-GO BSW-7/8 x 9-PG-NGO BSW-1 x 8-PG-DE BSW-1 x 8-PG-GO BSW-1 x 8-PG-NGO BSW-1 1/8 x 7-PG-DE BSW-1 1/8 x 7-PG-GO BSW-1 1/8 x 7-PG-NGO BSW-1 1/4 x 7-PG-DE BSW-1 1/4 x 7-PG-GO BSW-1 1/4 x 7-PG-NGO BSW-1 3/8 x 6-PG-DE BSW-1 3/8 x 6-PG-GO BSW-1 3/8 x 6-PG-NGO BSW-1 1/2 x 6-PG-DE BSW-1 1/2 x 6-PG-GO BSW-1 1/2 x 6-PG-NGO

1/8 x 40 BSW Go Thread Plug Member 1/8 x 40 BSW No Go Thread Plug Member

BS84 & BS 919 - Medium Class

3/16 x 24 BSW Go/No Go Thread Plug Gage w/handle

3/16 x 24 BSW Go Thread Plug Member 3/16 x 24 BSW No Go Thread Plug Member

The British Standard Coarse Screw thread is known as a parallel screw thread of Whitworth form having a 55 degree included angle. With the standardization of Unified threads, the BSW Whitworth thread form is typically being utilized for replacement parts. Steel bolts of 3/4 inch and below should not be made to close class limits and instead should be specified to medium class and free class limits. Close class threads should be applied to screw threads requiring a tight fit. The better and more practical class is a medium class of fit which provides a more functional inter changeable screw thread. Free class bolts apply to the majority of bolts of commercial grade quality. Normal class nuts are applied to commercial quality nuts and are intended for use with medium or free class bolts.

1/4 x 20 BSW Go/No Go Thread Plug Gage w/handle

1/4 x 20 BSW Go Thread Plug Member 1/4 x 20 BSW No Go Thread Plug Member

5/16 x 18 BSW Go/No Go Thread Plug Gage w/handle

5/16 x 18 BSW Go Thread Plug Member 5/16 x 18 BSW No Go Thread Plug Member

3/8 x 16 BSW Go/No Go Thread Plug Gage w/handle

3/8 x 16 BSW Go Thread Plug Member 3/8 x 16 BSW No Go Thread Plug Member

7/16 x 14 BSW Go/No Go Thread Plug Gage w/handle

7/16 x 14 BSW Go Thread Plug Member 7/16 x 14 BSW No Go Thread Plug Member

1/2 x 12 BSW Go/No Go Thread Plug Gage w/handle

1/2 x 12 BSW Go Thread Plug Member 1/2 x 12 BSW No Go Thread Plug Member

9/16 x 12 BSW Go/No Go Thread Plug Gage w/handle

Contact Us For Pricing

9/16 x 12 BSW Go Thread Plug Member 9/16 x 12 BSW No Go Thread Plug Member

Thread Check, Inc., can supply BSW thread plug gages from 1/8 to 6.0 inches.

5/8 x 11 BSW Go/No Go Thread Plug Gage w/handle

5/8 x 11 BSW Go Thread Plug Member 5/8 x 11 BSW No Go Thread Plug Member

3/4 x 10 BSW Go/No Go Thread Plug Gage w/handle

3/4 x 10 BSW Go Thread Plug Member 3/4 x 10 BSW No Go Thread Plug Member

7/8 x 9 BSW Go/No Go Thread Plug Gage w/handle 7/8 x 9 BSW Go Thread Plug Member 7/8 x 9 BSW No Go Thread Plug Member 1 x 8 BSW Go/No Go Thread Plug Gage w/handle

1 x 8 BSW Go Thread Plug Member 1 x 8 BSW No Go Thread Plug Member

H 6

r

1 1/8 x 7 BSW Go/No Go Thread Plug Gage w/handle

h

1 1/8 x 7 BSW Go Thread Plug Member 1 1/8 x 7 BSW No Go Thread Plug Member

27.5º 27.5º

H

r

1 1/4 x 7 BSW Go/No Go Thread Plug Gage w/handle

H 6

1 1/4 x 7 BSW Go Thread Plug Member 1 1/4 x 7 BSW No Go Thread Plug Member

Pitch p

1 3/8 x 6 BSW Go/No Go Thread Plug Gage w/handle

= 0.160082p r = 0.137329p H_ 6

H = 0.960491p h = H= 0.640327p

1 3/8 x 6 BSW Go Thread Plug Member 1 3/8 x 6 BSW No Go Thread Plug Member

2_ 3

1 1/2 x 6 BSW Go/No Go Thread Plug Gage w/handle

1 1/2 x 6 BSW Go Thread Plug Member 1 1/2 x 6 BSW No Go Thread Plug Member

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