This Korean Industrial Standard specifies the round and spear head type spanners (hereafter referred to as "spanners") to be used for assembling and disassembling of bolts, nuts and square head set screws.
Remarks 1. Widths across flats shall conform to KS B 1001. Furthermore, the dimension according to widths across flats in the past are given in the Appendix of this standard. Bolts, nuts and square head set screws adaptable to these spanners are specified in KS B 1015, KS B 1013, KS B 1004, KS B 1002, KS B 1012, KS B 1026 and KS B 1027.
2. The units and numerical values given in { } in this standard are in accordance with the conventional System of Units (SI), and are appended for reference.
3. Normative references to this standard shall be as follows. KS B 0806 Method of Rockwell Superficial Hardness Test KS B 1001 Dimensions of Width Across Flats
KS B 1002 Hexagon Head Bolts and Hexagon Head Screws
KS B 1004 Square Head Bolts
KS B 1012 Hexagon Nuts
KS B 1013 Square Nuts
KS B 1015 Hexagon Slotted and Castle Nuts
KS B 1026 Hexagon Cap Nuts
KS B 1027 Square Head Set Screws
KS B 5526 Rockwell Hardness Testing Machines