Product Name: High Quality Hi-Low Thread Concrete Screw, Tapcon Screw Model NO.: GLS-015 Grade: 8.8 Standard: DIN, GB, ANSI, BSW, JIS, GOST Head Style: Counter Sunk Bolt Connection: Common Bolt Groove: Cross Type: Countersunk Head Material: High Strength Steel Heat Treatment: Hot-Working Delivery: 30-40 Days Applied Area: Building, Machinery, Auto, Car Wheel QC Equipment: Salt Spray Machine, Hardness Testor, Caliper Brand: Gl Process: Cold Forming Specialty: OEM, ODM Sample: Free Sample in Store QC Control: Inspect 30mins in Production and Before Delivery Service: Response in One Hour Trademark: Global Transport Package: Plastic Bag, Box, Carton Package, Pallet Package Specification: (Dia)M3.5-6.3*(Length)9.5-200mm Origin: China HS Code: 7318149001 Product Description Product Description:Concrete screw blue ruspert coating, hi-low threadThe design of the Tapcon concrete screw allows them to anchor into concrete, brick and block. Tapcon concrete screws tap threads into a predrilled hole in concrete, brick or block. The 5/32" bit is used for the 3/16" Tapcon concrete screw and the 3/16" bit is used for the 1/4" Tapcon. These bits can be used for either the standard blue Tapcon or the stainless steel Tapcons. The large diameter Tapcons use regular ANSI standard bits.Product specificationStandardANSI/ASME, ISOFeaturesPHIL drive, bugle head, fine/ coarse threadHead TypeFlat Head,Pan Head, Countersunk Head, Round Cone Head, Hex Head, Round with Washer Head, Pan with Washer Head and so on, as customer requiresDrive TypeTorx/ phillips/slotted hex headScrew Threadhi-low threadScrew tipSharpFeaturesGood anti-corrosion abilityDiameter3/16" & 1/4 "Length32mm~100mmRaw Material1, Carbon Steel: C1022Surface FinishBlue Ruspert/ white rusperthot-working, make hardness up to 6.8,8.8, 9.8, 10.9, 12.9 gradeHeat TreatmentHeat treatment with the material, and heat treatment with the productCertificationsSGSSample AvailabilitySamples are available.MOQwe accept test order of small quantityPrice TermsT/T, L/C, western union, paypal, etc.Lead Time7-40days, according to customer's order qty and detailed requirementsPacking25kgs/carton or 1000pcs/per box or as customers' special request.ContactIf you're insterested in our products, please do not hesitate to send us an email or call us at+86 18072687675(Mobile)directly.