BS 1768

Table 1

Unified hexagon head bolts and screws - Normal series
Table 2

Unified hexagon ordinary nuts, thick ordinary nuts and lock nuts — Normal series
Table 3

Unified hexagon slotted nuts and thick slotted nuts — Normal series
Table 4

Bolts and screws (See clauses 4 and 5)
Table 4a

Comparison of strength grades of BS 1768 and BS 970 (for guidance only)
Table 5

Proof loads for bolts and screws (see Column 2 of Table 4)
Table 6

Proof loads for nuts ¹⁾ (See clause 6)
Table 7

Examples of suitable material for cold forged bolts and screws
Table 8

Materials for hot forged bolts and screws
Table 9

Materials for bolts and screws turned from bar
Table 10

Materials for nuts