|Main product||DIN931 DIN933|
|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|
|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|
|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|
(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.
(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.
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.