4pcs Expansion Screws Manhole Cover Expansion Screws Expansion Closed Rings

Description Do you need a multi-functional stainless steel expansion screw? Our product will be your good choice. Made of sturdy and premium stainless steel material practical for long lasting use. Designed in closed ring can easy to tie the heavy duties not easy to deform. Features - Color: Silver. - Material: Stainless steel. - Size: About 9.00X2.20X0.90cm/3.54X0.86X0.35inch. - Tightening the bolt which pulls out the conical cone to make the sleeve close to the hole wall. - Stainless steel material waterproof wear-resistant corrosion-resistant never rusty and durable. - Suitable for concrete masonry solid brickwork ceiling metal wood manhole cover and more. - Come with enough quantity expansion screws can meet your daily needs well. - Easy to install and used in heavy-duty facilities will not easy to fall and slipping.