Carriage Bolts

Design from round head with square necks, common used in wood connections..Jetty do have more stocks for various sizes on carriage bolts at full thread…

Available production capacity from 3/8"-1-3/8" diameter and length to 17",and the quality as grade nuts matched..


Mechanical Properties as below for referrence:

  Tensile Strength Hardness
Grade 8.8 120,000 P.S.I (85.0 Kg/mm2) HRC26~32
Grade 10.9 150,000 P.S.I (105.0 Kg/mm2) HRC32~38
Grade 12.9 170,000 P.S.I (120.0 Kg/mm2) HRC38~42




Ningbo Jetty Engineering Machinery Co., Ltd. will get all responsibility on all figure dimensions difference and any broken in field based on normal using conditions..Whilst also get all responsibility on all wrong operation by us if available.

Quality Guarantee Time: 12 month (Start From Shipment Date).

Our factory had passed authorized ISO9001-2008 certificates.