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4BA Imperial Machine Screws with Nuts, Round Head, Slotted- Pack 100 Pairs (H4BA)
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4 BA
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4BA x 1 inch Cheese Head Screws (BS 57 : 1951) - Stainless Steel (A2)
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BA Screw Fixings
BS 93 British Association (B.A.) Screw Threads Data Charts
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4BA A2 STAINLESS STEEL PAN POZI MACHINE SCREWS - Spalding Fasteners
4BA x 1 inch Cheese Head Screws (BS 57 : 1951) - Stainless Steel (A2)
4BA A2 Stainless Steel Round Slotted Head Machine Screws - Spalding Fasteners
Machine Screws Steel Round Head Length 5/16" 4BA - CS301
Brass Roundhead Machine Screws 4BA x 1/2" Packet 10 | Railwayscenics
4BA x 5/8" - Machine Screw Cheese Head Slotted BS 57 - Self Colour - Pack of 25 | Machine Screws - Cheese
