Round head square neck carriage bolt ASME B18.5 standard ASTM A307,UNC/UNRC 3/8x2 half thread carriage bolt C1035 zinc plat Zinc plated Round Head Square Neck Carriage BoltCarbon steel C1035 or C1045 ZP, YZP  Grade A (ASTM A307) or Grade 1 (SAE J429)   1. Other Standard options:DIN603 or BS 2. Material Options:CS, SS304, SS316 3. CS material treatment options:ZP, YZP, BZP, Nickle or Chrome  4. Mechanical features options:DIN603 grade 4.8, 8.8, 10.9, 12.9SAE/ASTM grade 2, 5, 8    Below Regular supply offers,DIN603 ZP/YZP standard grade 8.8Small box+Carton+Pallet packingFOB Ningbo, China Offers

6x30	$13.10
6x40	$16.11
6x50	$19.11
6x60	$22.11
6x70	$25.12
6x80	$28.12
8x40	$28.67
8x50	$34.13
8x60	$39.45
8x70	$44.91
8x80	$50.23

Grade 4.8

6x30	$11.58
6x40	$14.23
6x50	$16.89
6x60	$19.54
6x70	$22.20
6x80	$24.85
8x40	$25.33
8x50	$30.16
8x60	$34.86
8x70	$39.69
8x80	$44.39

Price for each 1,000 pcs15 days shipment termBuyers could order directly by the above price.

round head square neck carriage bolt