CELO's self-drilling screw CBH countersunk head and PH recess is made of high-quality steel and coating blue zinc plated. The wings enable a bigger hole to be drilled into the wood to help facilitate its insertion, breaking when it touches the steel profile and drilling the metal sheet. Drill bit for drilling sheets up to 5 mm thick.
Applications
Formwork
Bus bodywork
Further specifications
Key features:
Seldrilling screws for fixing wooden planks to metal beam
Wings specially designed for hardwoods and phenolic plywood
The wings screw makes an oversized hole on the composite or fiber cement
Selfdrilling screw drill metal sheets from 3 to 6 mm
Reinforced core diameter to prevent screw breakage