5/16 BSF x 3-3/4″ Hex Bolt

£3.90
A 5/16 BSF hexagon bolt (part threaded)Under head dimension: 3-3/4".Thread length: 5/8" Standard hexagon size (.525" A/F)Head machined flat (no markings).

5/16 BSF x 3/4″ Hex Set

£2.05
A 5/16 BSF hexagon set bolt (threaded up to head)Under head dimension: 3/4". Standard hexagon size (.525" A/F)Head machined flat (no markings).

5/16 BSF x 4″ Hex Bolt

£4.30
A 5/16 BSF hexagon bolt (part threaded)Thread length 5/8"Under head dimension: 4". Standard hexagon size (.525" A/F)Head machined flat (no markings).

5/16″ BSF x 1-15/16″ Reduced Hex Bolt

Price range: £2.80 through £5.80
5/16" x 1-9/16" (UH) BSF reduced hex head bolt.  .445" A/F head (1/4 Whit.), polished with slight dome. Note: Can be re-threaded (increased within UH length) as required for a surcharge (£3).  Please provide threaded length at checkout with note.
Select options This product has multiple variants. The options may be chosen on the product page

5/16″ BSF x 1-3/4″ Socket Cap Bolt

£4.20
A 5/16" BSF socket cap bolt, 1-3/4" UH length, 1" partially threaded.  Overall length, 2"

5/16″ BSF x 1″ Socket Cap Bolt

£3.20
A 5/16" BSF socket cap bolt, 1" UH length, full threaded set screw.  Overall length, 1.3"

5/16″ BSF x 2″ Reduced Hex Bolt

Price range: £3.50 through £6.50
5/16" x 2" (UH) BSF reduced hex head bolt.  .445" A/F (1/4" Whit.) head, polished with slight dome. Note: Can be re-threaded (increased within UH length) as required for a surcharge (£3).  Please provide threaded length at checkout with note.
Select options This product has multiple variants. The options may be chosen on the product page

5/16″ BSF x 2-1/2″ Socket Cap Bolt

£4.80
A 5/16" BSF socket cap bolt, 2-1/2" UH length, 1" partially threaded.  Overall length, 2.8"

5/16″ BSF x 2-9/16″ Reduced Hex Bolt

Price range: £3.50 through £6.50
5/16" x 2-9/16" (UH) BSF reduced hex head bolt.  .445" A/F (1/4" Whit.) head, polished with slight dome. Note: Can be re-threaded (increased within UH length) as required for a surcharge (£3).  Please provide threaded length at checkout with note.
Select options This product has multiple variants. The options may be chosen on the product page

5/16″ BSF x 3/4″ Socket Cap Bolt

£3.00
A 5/16" BSF socket cap bolt, 3/4" UH length, full threaded set screw.  Overall length, 1.1"

Domed Altette horn bolts

Price range: £3.40 through £3.50
Correct shaped 'dome' Altette horn bolts.
Select options This product has multiple variants. The options may be chosen on the product page

Early Norton CSK Screw

£4.50
5/16" BSF x 5/8" countersunk (CSK, 60deg.) screw, found on many early Norton machines.