DIN933 mild steel grade 4.8 Hex bolt

Short Description:

Length is measured from the point at which the head sits flat with the surface, to the tip of the threads. Hex, pan, truss, button, socket cap, and round head screws are measured from right under the head to the end of the threads. Flat head screws are measured from the top of the head to the tip of the threads.


Product Detail

Product Tags

Specification

Item Hex bolt
Main product DIN931 DIN933
Size M5-M64
Length 10-600mm
Surface Plain/Black /Zinc plated/HDG/Dacromet
Standard DIN GB ISO ANSI/ASME BS Non standard
Grade 4.8 8.8 10.9 12.9
Raw material Q235,Q195,1035,1045,20MnTiB, 35Crmo
Certification ISO9001, SGS
Package 5kg, 10kg, 25kg carbon/bag+pallet or customized.
Loading port Tianjin port, Qingdao port,others
Application auto fasteners, mechanical, construction, powder, railway, household electrical appliance etc.
Non-standards OEM is available if you provide drawings or samples.
Professional We are profession in fastener products more than 15 years
Place of Origin Yongnian, Handan city, Hebei province, China
Service Free samples
Manufacture Process Raw material-wire drawing-cold forging-surface treatment-test -packing-loading
Delivery time Based on the order quantity
Equipment Hardness test, torque test, salt spray endurance test, mechanical sizes test,certification and etc
Inspection process Incoming quality control →Process Quality Control →Final Quality Control → Pre-shipment Quality Control

Details

flat washer

 

More instructions for bolt

(1)How is a hex bolt measured?
Length is measured from the point at which the head sits flat with the surface, to the tip of the threads. Hex, pan, truss, button, socket cap, and round head screws are measured from right under the head to the end of the threads. Flat head screws are measured from the top of the head to the tip of the threads.

flat washer

(2)What are hex bolts used for?
Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal) used to fasten wood to wood, or metal to wood.

(3)How do you remove a hex bolt?
Use a hammer to tap against the hex-key wrench in extreme cases. Pour a few drops of household oil or spray a shot of aerosol lubricant on screw heads that do not come loose with the additional tools. Allow 20 minutes for the lubricant to work in between the threads before attempting removal.

Product test and package

 

flat washer

flat washer

 

FAQ

Q1: Are you trading company or manufacturer ?
A1: We are factory.

Q2: Can I visit your factory?
A2: Yes! Warmly welcome to visit our factory. It would be Great if you can inform us in advance.

Q3:The quality of your products?
A3:The company has advanced production and testing equipment .Every products will be 100% inspected by our QC department before shipment

Q4:How about your price?
A4:High quality products with reasonable price. Please give me a inquire, I will quoted you a price for you refer at once.

Q5:Could you provide free samples?
A5:We can provide free samples for standard fastener, But the clients will pay the Express charges.

Q6: What’s your Delivery Time?
A6:Depend on the quantity. We will make the delivery as soon as possible with the guarantee quality.

Q7: How should I order and make payment?
A7:By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.


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