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{"title":"SS316 Cylinder Head Hexagonal Screw Cup Head Carbon Steel Hex Bolt DIN912","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/14\/9f\/9e7cf699b55da77749f958f8f54a-200x200-1\/ss316_cylinder_head_hexagonal_screw_cup_head_carbon_steel_hex_bolt_din912.jpg","attrs":{"Model Number":"M6-M20","Certification":"ISO","Place of Origin":"CHINA","Minimum Order Quantity":"Can Negotiation"}}
{"title":"SS304 M6 - M20 Hexagon Head Bolt Cylindrical Internal Hexagon Head Screw","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/62\/4d\/df6c1351825d29d37e4bf10f243e-200x200-1\/ss304_m6_m20_hexagon_head_bolt_cylindrical_internal_hexagon_head_screw.jpg","attrs":{"Model Number":"M4-20","Certification":"ISO","Place of Origin":"CHINA","Minimum Order Quantity":"Can Negotiation"}}
{"title":"10.9 Grade DIN912 Internal Hexagon Head Bolt Lengthened Black High Strength","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d3\/1e\/dd5d2c2131527c4d313f55e1f7b5-200x200-1\/10_9_grade_din912_internal_hexagon_head_bolt_lengthened_black_high_strength.jpg","attrs":{"Model Number":"M4-20","Certification":"ISO","Place of Origin":"CHINA","Minimum Order Quantity":"Can Negotiation"}}
{"title":"Stable DIN931 Hexagon Head Bolt 6 Mm - 300 Mm Length High Holding Power","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ce\/43\/505523a0fd81204383d645ddf908-200x200-1\/stable_din931_hexagon_head_bolt_6_mm_300_mm_length_high_holding_power.jpg","attrs":{"Model Number":"All frequent sizes","Certification":"ISO","Place of Origin":"CHINA","Minimum Order Quantity":"Can Negotiation"}}
{"title":"Sturdy Hexagon Head Bolt M5-M52 Size Apply To Construction \/ Machine Repairs","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d8\/63\/f6fbc316770215a33f63c78baf2b-200x200-1\/sturdy_hexagon_head_bolt_m5_m52_size_apply_to_construction_2f_machine_repairs.jpg","attrs":{"Model Number":"All frequent sizes","Certification":"ISO","Place of Origin":"CHINA","Minimum Order Quantity":"Can Negotiation"}}
{"title":"High Strength AMSE Hexagon Head Bolt 1\/4"-10" Length Corrosion Resistance","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/7d\/62\/67d86cc8070819c1ffc8b5334458-200x200-1\/high_strength_amse_hexagon_head_bolt_1_2f4_22_10_22_length_corrosion_resistance.jpg","attrs":{"Model Number":"All frequent sizes","Certification":"ISO","Place of Origin":"CHINA","Minimum Order Quantity":"Can Negotiation"}}
ASTM A325 / a325m large hexagon bolt, heavy hexagon head bolt
Product Description:
Square head bolts are divided into 4.8 class bolts, 8.8 class bolts, 10.9 class bolts and 12.9 class bolts according to the grade of high strength.It is widely used in the electrical and electronic industry, water conservancy engineering industry, electrical products, mechanical equipment, chemical equipment, ships, vehicles, steel structures and so on.
It is distinguished from other bolts by its shallow mushroom head and that the shank cross-section of the bolt is circular for most of its length, but the portion immediately beneath the head is formed into a square section.Carriage bolts are designed to sink into the wood as you tighten the nut, essentially creating their own pockets. Except you're building with very hard wood, this should work fine.Carriage bolt is designed to sink into the wood as you tighten with nut, essentially creating their own pockets. Unless you're building with very hard wood, this should work fine. You can tap the bolts inward with a hammer as you tighten the nuts to assist.Carriage bolts are designed so that on one side of an assembly that there are no protruding bits for things to catch on. The round head part will provide that as opposed to there being a hex or square head sticking out. In your case with a chair kit the general idea is that the heads of the carriage bolts should face toward the side of the chair where the user will be. As such the threaded bolt ends will want to be down underneath or toward a generally non use for surface of the chair.
Specification:
Name:
Grade 10.9 , 12.9 Stainless Steel M2 - M100 Square Head Bolt Full Thread
Size:
M2 - M100
Material:
Stainless Steel
Standard:
DIN, ANSI, GB, ISO, BS
Production Process:
Hot Forging
Class:
Grade 10.9 , 12.9
Type:
Round Head
Thread:
Full Thread Or Half Thread
CHEMICAL COMPOSITIONG
Group
C
Si
Mn
P
S
Cr
Mo
Ni
Cu
Characteristic
304-A2
0.1
1
2
0.05
0.03
15-20
8-19
4
Medium hardening rate, suitable for general cold processing and stretching, cold processing performance is good, commonly used for external hexagonal bolts, nuts and gaskets products.
316-A4
0.08
1
2
0.045
0.03
16.18.5
2-3
10-15
1
Adding molybdenum, corrosion resistance is better than 304, especially suitable for seawater and chemical media, more corrosion resistance and pitting resistance.
Application:
Friction type high strength bolt: suitable for steel frame structure beam, column connection, solid web beam connection, heavy crane beam connection of industrial workshop, brake system and important structure under dynamic load.
High strength Bolts: shear connections in structures that allow for a small amount of sliding or are subjected to indirect dynamic loads.
Tensile high strength bolts: when the bolts are pulled, the fatigue strength is low. Under dynamic load, its bearing capacity is not more than 0.6P (P is the allowable axial force of bolts). Therefore, it is only suitable for static loading, such as flange butt joint, T type joint and so on.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2008
Total Annual:
1500000-8000000
Ecer Certification：
Active Member
Hongxu Hardware Co.,Ltd is a professional manufacturer and exporter many kinds of fastener:Threaded rod,Bolt,Nut,Washer,Anchors etc,with more than 15 years in this field.We are near from Shanghai,Ningbo about 120 kms,with our high quality products and good services,we have relations with customers a... Hongxu Hardware Co.,Ltd is a professional manufacturer and exporter many kinds of fastener:Threaded rod,Bolt,Nut,Washer,Anchors etc,with more than 15 years in this field.We are near from Shanghai,Ningbo about 120 kms,with our high quality products and good services,we have relations with customers a...
