BSF Engineering Studs
From £0.95 (excl. VAT)
Our BSF engineering studs are supplied from historic British steel stock, manufactured in Britain to British Standard Fine (BSF) imperial thread specifications. These are original legacy fasteners, held in stock today for applications where modern production replacements are not suitable.
BSF threaded engineering studs are commonly used in classic cars, vintage engines and heritage machinery. With a finer pitch than BSW, British Standard Fine threaded studs provide improved clamping control and are well suited to precision engineering and restoration work.
We stock imperial BSF threaded engineering studs, in the following diameters – 3/16 BSF, 1/4 BSF, 5/16 BSF, 3/8 BSF & 1/2 BSF, in a range of lengths. Compatible with standard BSF nuts and washers, they are ideal for maintaining original thread forms in engines, gearboxes and mechanical assemblies, our British steel BSF studs support correct, period-accurate repairs.
All Available Sizes & Types
| SKU | Name | Thread Size (T) | Length (L) | Material / Finish |
|---|---|---|---|---|
| SKU: BSF.ESTD.1/2X31/8(3/4.7/8).SC | Name: BSF Engineering Studs | Thread Size (T): 1/2" | Length (L): 3 1/8" (3/4" & 7/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X23/4(3/4.3/4).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 3/4" (3/4" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X25/8(5/8.5/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 5/8" (5/8" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X21/2(5/8.7/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 1/2" (5/8" & 7/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X21/4(3/4.5/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 1/4" (5/8" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X11/2(3/4.1/2).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 1 1/2" (1/2" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X13/8(3/8.5/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 1 3/8" (3/8" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X33/4(3/4".3/8").SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 3 3/4" (3/8" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X23/4(5/8.7/16).SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 2 3/4" (7/16" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X15/5(5/8.1/2).SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 1 5/8" (1/2" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X11/2(1/2.3/4).SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 1 1/2" (1/2" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.1/4X23/8(5/8.3/8)..SC | Name: BSF Engineering Studs | Thread Size (T): 1/4" | Length (L): 1 3/8" (3/8" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.1/4X23/8(5/8.3/8).SC | Name: BSF Engineering Studs | Thread Size (T): 1/4" | Length (L): 1 3/8" (3/8" & 1/2" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/16X5/8.SC | Name: BSF Engineering Studs | Thread Size (T): 3/16" | Length (L): 5/8" | Material / Finish: Self Colour |
All Available Sizes & Types
| SKU | Name | Thread Size (T) | Length (L) | Material / Finish |
|---|---|---|---|---|
| SKU: BSF.ESTD.1/2X31/8(3/4.7/8).SC | Name: BSF Engineering Studs | Thread Size (T): 1/2" | Length (L): 3 1/8" (3/4" & 7/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X23/4(3/4.3/4).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 3/4" (3/4" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X25/8(5/8.5/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 5/8" (5/8" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X21/2(5/8.7/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 1/2" (5/8" & 7/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X21/4(3/4.5/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 2 1/4" (5/8" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X11/2(3/4.1/2).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 1 1/2" (1/2" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/8X13/8(3/8.5/8).SC | Name: BSF Engineering Studs | Thread Size (T): 3/8" | Length (L): 1 3/8" (3/8" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X33/4(3/4".3/8").SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 3 3/4" (3/8" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X23/4(5/8.7/16).SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 2 3/4" (7/16" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X15/5(5/8.1/2).SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 1 5/8" (1/2" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.5/16X11/2(1/2.3/4).SC | Name: BSF Engineering Studs | Thread Size (T): 5/16" | Length (L): 1 1/2" (1/2" & 3/4" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.1/4X23/8(5/8.3/8)..SC | Name: BSF Engineering Studs | Thread Size (T): 1/4" | Length (L): 1 3/8" (3/8" & 5/8" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.1/4X23/8(5/8.3/8).SC | Name: BSF Engineering Studs | Thread Size (T): 1/4" | Length (L): 1 3/8" (3/8" & 1/2" Threaded) | Material / Finish: Self Colour |
| SKU: BSF.ESTD.3/16X5/8.SC | Name: BSF Engineering Studs | Thread Size (T): 3/16" | Length (L): 5/8" | Material / Finish: Self Colour |
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