Product Description: Carriage bolt have shallow mush room head, square neck and machine threads, full body. Square neck is very important, the bolt can be self lock when throughing the square hole. Carriage bolt is also called round head square neck bolt or coach bolt, use to fix metal to metal or metal to wood.
Thread: M, UNC, UNF Head Mark: HR
Finish: plain (self colour), black, zinc plated, HDG, Dacromet, Nickel, Chrome,Geomet 500B, Magni, mechnical galvanized, painting, teflon, etc.
Assembled parts: hex nut and flat washers
Package: 1) bulk in cartons (18kg or 25kg) + wooden pallet; 2) bulk in wood case,
3) bulk in pails + wooden pallet 4) according to the customer's requirement
Trade term: EXW, FOB, CIF, DAP, DDU,DDP
Payment: T/T, L/C, Paypal, Western unoin, 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.
Contact: Monica Song
Add: Rm 208, block 76, Hongyin Plaza, No.1755, Nanlu Road, Pudong, Shanghai