Round Head Stainless Steel Carriage Bolts Coach Fastener Square Neck Standard DIN 603 M8
General Description
Mushroom head carriage bolts are also known as coach bolts or round head square neck bolts , are made from stainless steel with polish finish , good resistant corrosion and long service , and widely used to wooden pieces .
Carriage bolts with a square neck under head that keep bolts are in good stabilization after installation , and a full machine style threads under neck for locking objects ; Generally , there is is no any socket in head for carriage bolts .carrage bolts must to be worked with nuts .
Technical Data
Material
Stainless steel A2-70
Physical Properties
Hardness ( HV )
200
Yield Strength ( Mpa )
205
Elongation ( % )
45
Tensile Strength ( Mpa )
520
Torque
20
Reduction Area ( % )
55
Specification
d
M8
L
40
f
5.6
k
4.8
D
20.65
d
M5
M6
M8
M10
M12
M16
M20
L
10-20
10-30
15-50
25-80
30-90
35-100
40-120
k
3.3
3.8
4.8
5.3
6.9
8.9
11
f
4.1
4.6
5.6
6.6
8.7
12.9
15.9
V
5.5
6.5
8.5
10.6
12.7
16.7
20.8
D
13.55
16.55
20.65
24.65
30.65
38.8
46.8
Finish
Type
Thickness
Salty Spray Hours
RoHS / REACH
Polish
4
120
RoHS
Product Features
1 . Corrosion resistant
Carriage bolts are made from stainless steel with good corrosion resistance
2 . Resistant high temperature
3 . Not easy to be broken
High tensile strength and good enlongation
4 . Good locking performance
Square neck design provides good steady fixing .
5 . Easy operation
6 . Long service
7 . Good security
Applications
Carriage botls or coach bolts are widely used to furniture , buliding and mechanical machines and so on .
Packing Details
Bulk ( Bags + Carton )
Pcs / Bag : 5
Kgs / CTN : 20
L X W X H : 25 X 20 X 15 cm
Boxes ( Boxes + Carton )
Kgs / Box : 1
Kgs / CTN : 12
L X W X H : 25 X 25 X 20 cm
Pallets
Kgs / pallet : 1800
L X W X H : 1 X 1 X 2 m
Remark : Custom packing is acceptable . Above packings are reference only , items showed in the pictures maybe not described one
A. We are able to finish up to 2000 tons raw material every year , generally , one full 20 feet container ( about 20 tons) can be done in 20- 25 days .
Q.How long I can get samples for approval before placing order ?
A. Just in one week for new samples that need to be done in new tools , and we can deliver samples within 24 hours for exsiting samples once received your request .
Q.What are your popular payement menthods ?
A. T/T is our prior choose for all , of course , we are also accept L/C , Westunion , paypall .
Q . Can you provide custom service ?
A . Yes , we provide standard and custom service for all our products .
Q. What products you produce ?
A. We are produce different hardware spare parts , stamping part , plastic injeciton molding parts and fasteners like screws , bolt , nuts , pins , rivets and spacers washers etc
