Product NameCarriage bolt / Round head square neck bolt /
carriage srew / carriage head boltStandardASTM B18.5,
DIN603, DIN604, DIN608Materialcarbon steel, alloy steel,
stainless steel, brass, Al, etc.GradeASTM A307 Grade A, SAE J429
Gr.2, 5, 8; CL 4.8, 8.8, 10.9, 12.9Size1/4-1" /
M5-M20ThreadM, UNC, UNFSurface treatmentblack, zinc plated, HDG,
Dacromet, Nickel, Chrome,Geomet 500B, MagniPackageBulk in cartons
(18kgs or 25kgs )+ wooden pallets; bulk in wooden case; bulk in
steel pails +wooden pallets, or according to the customer's
requirements.Delivery time15-30 days in peak season; 25-45 days in
off seasonTrade termEXW, FOB, CIF, CFR, DAP, DDU, DDP,
etc.PortShanghai or Ningbo portPaymentT/T, L/C, paypal, western
union, etc.Strictly complies with ISO9001:2008 system, Each
production process be well managed through self inspection, routing
inspection by our workers. Our test equipments include:
tensile machines, hardness tester, salt spray tester, Image
measurement instrument, caliper, GO & NO-GO guage, etc. Test and
issue Material Test Report and Inspection Report by
Hengrui before shipment to guarantee the product quality. The
test report from the third parts are also avaliable as customer's
requirments. 1. Bolts: hex bolt, hex cap screw, heavy hex bolt,
heavy hex structural bolt, carriage bolt, hex flange bolt, square
bolt, plow bolt, step bolt, T head bolt, tensile control bolt,
shoulder bolt, tower bolt, timber bolt, guardrail bolt, hex socket
cap screw .2. Nuts: hex nut, heavy hex nut, square nut,hex flange
nut, hex nylon lock nut, slotted nut, eye nut, hex cap nut, keps
nut, all metal locknuts, metal insert lock nuts, U clip nut. 3.
Washers: flat washer/ plain washer, fender washer, taper bolt,
square washer, helical spring-lock washer, hardened steel
washers, external / internal tooth lock washer 4. Non standard
Fasteners: bolts, nuts and washers in turning process or stamping
ports, drill holes, special material. 5. Turning Parts or machining
parts in turning process, grinding process, milling
process,drilling process.6. Stamping or sheet metal parts in
stamping process, drawing process, welding process,etc.*
Strong Technical support: our engineer in fastener industry for
about 20 years are hear for you. * With 50 friend factories
support, we can customize many non-standard fasteners according to
the drawings or samples, as well as turning parts and stamping
parts. * 10 years' experience in international trading industry.*
Our company policy: Product quality>lead time>pricing,
welcome the customers which have the same belief to inquiry to us!
Looking forwarding to cooperate with you, we will use our best
service to prove your choice right! /* March 10, 2023
17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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