and coated with WS2 coating
Straight grooved
Seals in cool air
5-mil-thick adhesive
100PCS 1/4-20x1", 1-1/2", 2", 2-1/2", 3" Stainless Steel Hex Head Screws Bolts and Nuts Flat & Lock Washers Assortment Kit, 304 Stainless Steel 18-8,Fully Machine Thread, Bright Finish 100PCS 1/4-20 Bolts and Nuts Kit auspowers_batchone and coated with WS2 coating100PCS 1 4 20x1", 1 1 2", 2", 2 1 2", 3" Stainless Steel Hex Head Screws Bolts and Nuts Flat & Lock Washers Assortment Kit, 304 Stainless Steel 18 8,Fully Machine Thread, Bright Finish Product Features HIGH QUALITY TO BE TRUSTWORTHY: 304 stainless steel material, not rust, anti moisture, anti oxidation, corrosion resistant, acid alkali resistance, high hardness. No pollution, Health lead free environmental protection non toxic. MANY SPECIFICATION TO