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Expansion bolt
Used for Grantie,marble gritstone,shale,calcium silicate board.Stone thickness should be more than 20mm.
Specification:
Inner size | Hole size | depth | Screw in outside | Instalation length | Bolts size | Braket thickness | Hole size | Stone thickness |
Single side | ||||||||
12M6/13A4 | 11 | 12 | 13 | 12 | M6 | 3 | 13.5 | 20 |
12M6/18A4 | 11 | 12 | 18 | 12 | M6 | 9 | 13.5 | 20 |
15M6/18A4 | 11 | 15 | 18 | 15 | M6 | 9 | 13.5 | 25 |
15M8/15A4 | 13 | 15 | 15 | 15 | M8 | 4 | 15.5 | 25 |
15M8/23A4 | 13 | 15 | 23 | 15 | M8 | 10 | 15.5 | 25 |
20M8/10A4 | 13 | 20 | 10 | 20 | M8 | 3 | 15.5 | 35 |
20M8/23A4 | 13 | 20 | 23 | 20 | M8 | 10 | 15.5 | 35 |
Double sides | ||||||||
21M6/6KT/12AL | 11 | 12-16 | 12 | 21 | M6 | 4 | 13.5 | 20 |
24M8/6KT/14AL | 13 | 15-19 | 14 | 24 | M8 | 3 | 15.5 | 50 |
expansion bolt