drill bit for metal door

{"title":"5pcs HSS Hole Saw Drill Bit Set \/ HSS Hole Cutter Kit With Ti-Coated Surface","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/11\/54\/d55880e87bba70691a04e0e19d76-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"RTCRAFT or OEM","Model Number":"16-30mm","Minimum Order Quantity":"Negotiation","Delivery Time":"20-30days after your deposite","Certification":"ISO,MPA,TUV","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"100000pcs\/month","Packaging Details":"Plastic tube,Blister card,Aluminium box","Product Name:":"HSS hole saw","Material:":"High Speed Steel","Shank:":"3-slide shank","Size:":"16-30mm","Surface:":"Ti-coated","Package:":"Plastic box"}}

{"title":"Stainless Multi-Fix T30 7.5mm Torx Flat Head Door Window Frame Screw Bolt Concrete Screws For Wood Fixing","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e2\/3f\/b6230292597f218cc28ade4ec614-200x200-1.jpg","attrs":{"Price":"according to the order","Brand Name":"TOBO","Model Number":"screws","Minimum Order Quantity":"100 Kilogram\/Kilograms","Delivery Time":"15-30 days","Certification":"SGS BV ROHS etc","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"100tons\/month","Packaging Details":"carton with pallets,or with small box package","Material":"Steel, steel \/ C1022A","Head Style":"torx flat head","Surface treatment":"ZP \/ Plain \/ Black \/ HDG","Diameter":"7.5mm","color":"Yellow\/Blue White\/Customized","length":"42-212mm"}}