Blue-white zinc plated/galvanized Carriage Bolts/ cup head
bolts/Mushroom Head Square Neck Bolts(Grade 2
Grade5) A carriage bolt, coach bolt or round head
square neck boltis a form of bolt.It is distinguished from other
bolts by its head: the shank of the bolt is circular for most of
its length, as usual, but the portion immediately beneath the head
is formed into a square section.This makes the bolt self-locking
when placed through a square hole, or a round hole in most wood.
This allows the fastener to be installed with only a single tool, a
spanner or wrench, working from one side. The head of a carriage
bolt is usually a shallow dome. The squared section is of the same
size as the diameter of the bolt shank, with a plain unthreaded
shank.Carriage bolts were developed for use through iron
strengthening plates on either side of a wooden beam. It is
commonplace though to use them into bare timber, the squared
section giving enough grip to prevent rotation.Products
nameBlue-white zinc plated/galvanized Carriage Bolts/ cup head
bolts/Mushroom Head Square Neck BoltsStandard:DIN,ASTM/ANSI JIS EN
ISO,AS,GBMaterialStainless Steel: SS201, SS303, SS304,
SS316,SS316L,SS904L,F593Steel Grade: DIN:
Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM:
307A,307B,A325,A394,A490,A449,FinishingZinc(Yellow,White,Blue,Black),Hop
Dip Galvanized(HDG),Black Oxide,Geomet,Dacroment,anodization,Nickel
plated,Zinc-Nickel platedProductionProcessM2-M24:Cold
Froging,M24-M100 Hot Forging,Machining and CNC for Customized
fastenerCustomized ProductsLead timeBusy season:15-30days,Slack
seaon:10-15daysStock ProductsSteel:4.8Grade DIN6923,8.8Grade
10.9Grade of GB5783 and GB5782Stainless steel: All DIN Standard
stainless steel BoltFree Samples for standard fastenerFor more
information
visit:hainafastener.en.made-in-china.comService
Professional Manufacturer: All of our Fastener are designed
and manufactured according to buyers' specification and
performance. Quality is
guaranteed: Durability testing and critical technical design to
enhance fasteners
lifetime. Cost effective:
Competitive prices with factory directly
supply Perfect fastening
solution with 20 years experiences to solve your problem: Wide
range of parts selection.
Customized Ideal Fasteners: customized services according to the
samples and drawings
offered. If you are not
sure about what exactly you need - feel free to contact us
anytime and get professional assistance from us./* March 10, 2023
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