Stainless bolts are supplied totally degreased hence lubrication is essential on assembly. Molybdenum Disulphide grease or 'Copperslip' is suggested - Doubly essential with self locking nuts. 'Loctite' replaces lubricant if used.
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What does MSC and SH mean for nuts?
MSC stands for machined, single chamfer. These nuts are machined from hexagon bar as opposed to stamped out (cold formed) like mass produced nuts. SH stands for small hexagon. These nuts are one spanner size down from standard.
Ordering lengths of bar?
The maximum length per piece is 20". If ordering multiple long lengths, or bar greater than 1/2" diameter we can ship up to 30" lengths. Upon checkout be sure to select the 'Bar postage' option. We appreciate this shipping option is more expensive than regular none bar orders but it covers the cutting charge, extra time and extra packaging not to mention bar orders are usually fairly heavy.
Two or three will be identified free of charge. But larger quantities will be charged for at 10%. Use tie on labels only, and include payment card details.
All quantities or fasteners below 40 will be packaged together in the same bag unless requested otherwise. The exception would be for similar fasteners that are not immediately identified by eye (i.e. 1/4 BSF and 1/4 UNF nuts). If the order is very large (£200+) we will sort different thread types into different bags with the thread type shown on each bag.
A setscrew is simply a bolt with no plain shank i.e. the thread goes right upto the head.
A lock nut is simply a thin nut. Two thin nuts are tightened against each other to 'lock' the nuts or stud. A Nyloc or Staytite nut is a 'self locking nut'.