Hand knob, tightening screws, exquisite workmanship. Plastic handle knob screw is a new type of hand knob with wood grain. Hand knob is made of highquality alloy steel material, durable and not easy to break. In AliExpress, you can also find other good deals on home improvement, fasteners, hardware and screws! You can shop for screw at low prices.Rawlplug Uno Wall Plug 7 x 30mm 300 Pack (89068) Product rating. 4.8. out of 5 stars. (317) Plastic. Suitable for Concrete, Brickwork, Stone, Blockwork & Plasterboard. Expands to …Product Description Product Name Made in China dryall screw Material C1022 Color As according Standard DIN GB ISO ANSI Grade / Brade Sardis Thread coarse thread ,fine thread Used wood ,metal Products Show Our Service High quality Passed the ISO9001:2008 High quality Passed the ISO9001:2008 High qua...In order to minimize waste, the board must be cut crosswise along its longest dimension, forming boards with a width of 1250 mm and the intended length. The width of lost formwork boards is determined by the spacing between beams, whether metallic or reinforced concrete, plus 5 cm on each side, which is the minimum width for support on the beams.