1. For Mild Steel Bars Complying With BS 4449 (unless otherwise required by Engineer)
Bar size (D), mm
Hook allowance (9D),mm Bend allowance (5D),mm Rebar lapping (40D), mm Tying allowance (24D), mm |
6
100 100 240 144 |
8
100 100 320 192 |
10
100 100 400 240 |
12 16 20 25 32 40
110 150 180 230 290 360 100 100 100 130 160 200 480 640 800 1000 1280 1600 288 384 480 600 768 960 |
2. For High Yield Bars Complying With BS 4449 or BS 4461 (unless otherwise required by Engineer)
Bar size (D), mm
Hook allowance (11D),mm Bend allowance (5.5D),mm Rebar lapping (40D), mm Tying allowance (24D), mm |
6
100 100 240 144 |
8
100 100 320 192 |
10
100 100 400 240 |
12 16 20 25 32 40
140 180 220 280 360 440 100 100 110 140 180 220 480 640 800 1000 1280 1600 288 384 480 600 768 960 |
These dimensions are nominal minimums but may vary due to cutting tolerance.
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