|Screw Catch, With No DrillUnit Head
- Prepared Hole Drill Diameter (mm)
- 3.4 - 3.5
- Head Diameter D (phi mm)
- Dimension d (mm)
- When using the pad((Padding method) [block, hollow building materials and mortar for ceramic siding] 1. Make pilot holes by using drill 2. insert pad into bottom hole. 3. Screw it using a screwdriver. If you do not want to use the pad (conventional method) 1. Drill the pilot hole. Screw it using a screwdriver.Do not tighten more than necessary. (If you overtighten and the screw will not work, please use the padding method to remove the screw.)
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