Material:
Adjustable sleeve: carbon steel with blue galvanized, stainless steel 304,316 or Aluminium
Screw: carbon steel with blue galvanized, stainless steel 304,316
About adjusting screws:
*the bottom of the screws(screw tips) are very sharp to make sure adjusting screw go into substructure easily and good installation
*they're used for different substructures,such as wood/timber,buildings,hollow brick,concrete etc
*save time and labor costs
*it's easy to install
Wuerd advantages about adjusting screws:
*Good quality
*Competitive prices(save much purchasing costs to customer)
*Stable delivery time
*Perfect service(pre-sale and after-sales)
