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Bi-Metal Self-Drilling Screw
The two components have been joined by means of welding. The first component comprises a stainless steel headthat will be exposed to air, and a stainless steel shank that will bear the full stress after being fastened into materials.The second component is made of hardened carbon steel or alloy steel, and is designed for self-drilling and self-tappingpurposes. -
Double Thread
Application·Steel structure engineering with double layer plate·Engineering installation with high fastening requirementsFeatures·Double thread for the purpose using exterior roofing environment·High thread under the head prevents panel strip out·Point to thread design maximizes pullout performance and minimizes back out·Better locking, not easy to loose -
Bugle Head Self-Drilling Screws
Application
·Connection and fixation of wood and steel·Substrates requiring higher surface flatness·Indoor and outdoor decorationFeatures·After assembly, the substrate surface is smooth and beautiful·Super torque and pulling force·Good positioning, fast drilling -
self drilling screw with wings
Application·Drills the wood·Suitable for timber, fibre cement and chipboard to metal where aflush finish is required.Features·Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement·Both wings avoid the wood to be damaged·With ribs under the head that countersunk the wood straight away -
CSK Self-Drilling Screws
Applications·Best Choice for fastening on windows and door·Frames purpose·Using in flat surface requiredFeatures·Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement·Precise cutting edges to improve drill performance·Easy to install, time saving, Minimizes labor -
Double Color Nylon Hex Washer Head Self-Drilling Screws
ApplicationFasten sheet-metal to walls and roofs,the aluminium washer with EPDM washer coveringensures an effective seal and resistance to aging.Featuresoptimum color-matchingUV resistantDusting after high temperature baking, hard texture, even if the force will not scratch the surface coatingClear thread, strong bite force, better locking effectWith aluminum/iron EPDM washer, better sealing and waterproof effect -
Farmer Screws
Application·Fasten sheet-metal to walls and roofs,the aluminium washer with EPDM washer coveringensures an effective seal and resistance to aging.Features·optimum color-matching·UV resistant·Dusting after high temperature baking, hard texture, even if the force will notscratch the surface coating·Clear thread, strong bite force, better locking effect·With aluminum/iron EPDM washer, better sealing and waterproof effect -
Truss head Self-Drilling Screws
Application
·Residential steel frame Construction·For using in object like Polycarbonate sheet, Shadow cover·Conduit clips to steelFeatures·Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement·Head joint R Angle treatment, higher strength·Non-walking point provides fast material engagement·Easy to install, time saving, Minimizes labor -
Hex Washer Head Self-Drilling Screws with EPDM bonded washer
ApplicationFor medium duty purposeSteel structure fittings, rock wool board, etcWall panel or panel fixationFeaturesPartial thread,double thread,full thread design,Not easy to breakStrong torsion and high hardnessGood concentricity, not easy to bend, easy to operateEPDM washer,Good waterproof performance -
Slotted Hex Washer Head self drilling screws
Application·For medium duty purpose·Steel structure workshop, municipal engineering, etc·Car compartment, container, shipbuilding,refrigeration equipment, environmental engineering, etcFeatures·Precision clamping die design, sharp and smooth knife edge, to achieve the best cutting effect·The product can cut tail, cutting tail can further speed up the effect of cutting·Through the combination of equipment, mold and technology, thread error isguaranteed within 0.03mm, clear thread, smooth bottom diameter, reduce screwresistance -
Wafer head Self-Drilling Screws
Application
Roof and skin sheet to steelResidential steel frame constructionFor light duty purposeFeaturesLustrate hydrogen after galvanizing to avoid hydrogen embrittlementHigh hardness and torqueAfter assembly, the screw head and the surface of the base material are smooth and beautiful -
Hex Washer Flange(SD500)
ApplicationFor heavy duty purposeSteel structure projectUsed for thick plate fixationFeaturesPoint #5 designThread slotted,Chip removal fastZ-Point design, good positioning, fast drilling