Features: BSW - British Standard Fine; This thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter). ; The thread form was first introduced in 1908 and is specified in BS84:1956. ; When used on external threads this series has greater tensile stress area than coarse threads of the same size. ; Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are subjected to loads equal to or greater than the capacity of the screw or bolt. ; Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch. ; Specifications:Diameter5/16"Pitch22 tpi
Features: BSW - British Standard Fine; This thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter). ; The thread form was first introduced in 1908 and is specified in BS84:1956. ; When used on external threads this series has greater tensile stress area than coarse threads of the same size. ; Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are subjected to loads equal to or greater than the capacity of the screw or bolt. ; Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch. ; Specifications:Diameter5/16"Pitch22 tpi
Features: BSW - British Standard Fine; This thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter). ; The thread form was first introduced in 1908 and is specified in BS84:1956. ; When used on external threads this series has greater tensile stress area than coarse threads of the same size. ; Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are subjected to loads equal to or greater than the capacity of the screw or bolt. ; Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch. ; Specifications:Diameter5/16"Pitch22 tpi
Features: BSW - British Standard Fine; This thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter). ; The thread form was first introduced in 1908 and is specified in BS84:1956. ; When used on external threads this series has greater tensile stress area than coarse threads of the same size. ; Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are subjected to loads equal to or greater than the capacity of the screw or bolt. ; Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch. ; Specifications:Diameter5/16"Pitch22 tpi
Last updated at 03/21/2026 13:30:14
BSPF Intermediate HSS Tap by Bordo 1/4" x 19TPI
Delivery $12.61
Bordo 3046-1/4I - 1/4" x 19 BSPF Intermediate HSS
Delivery between 26 Marβββ3 Apr $14
Bordo - 1/4" x 19 BSPF Intermediate HSS Tap | 3046-1/4I
Delivery between 23β31 Mar $7.95
| Diameter (inch) | 1/4 |
| Pitch/TPI | 19 |
| Drill Size (mm) | 11.8 |
| Thread Form Type | BSPF (G Series) |
| Overall Length (OAL) mm | 67 |
BSPF Intermediate HSS Tap by Bordo 1/4" x 19TPI
Delivery $12.61
Bordo 3046-1/4I - 1/4" x 19 BSPF Intermediate HSS
Delivery between 26 Marβββ3 Apr $14
Bordo - 1/4" x 19 BSPF Intermediate HSS Tap | 3046-1/4I
Delivery between 23β31 Mar $7.95
| Diameter (inch) | 1/4 |
| Pitch/TPI | 19 |
| Drill Size (mm) | 11.8 |
| Thread Form Type | BSPF (G Series) |
| Overall Length (OAL) mm | 67 |