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Specification
- Suitable for most types of threaded screws including multi- purpose, general purpose, coach screws etc
- Not suitable for machine screw threads
- Tough and resilient for a long service life
- Deep teeth ensure excellent grip in all types of building materials
- Sprung ears provide a double lock against twisting
- Suitable for solid brick, plaster walls, light board, concrete, high hole brick, sand lime brick and so on many kinds of wall materials
- Application for wood screws, self-tapping screws, fibber board nails, submerged screw and so on
- Sold per box