Purchasing Metric Allen Head Cap Screws Are Still Reliable For Finding Such A Screw Manufacturer

Chris of the United Kingdom wants to purchase a M6*590mm long metric allen head cap screws, which is made of 304 stainless steel.
But let’s first provide a few samples of similar metric allen head cap screws to let them test the quality of the product. Two weeks later, Chris told us the test results, saying that there are four Chinese screw manufacturers including us, but the quality of our long screws is very good among them.
Chris said that there are 8.8 grade metric allen head cap screws in their samples, but the 8.8 screws are easily broken in the torque test. The screws are very unreliable. Stainless steel also has various problems. The samples provided by our factory stand out among them.
If you want to customize metric pan head phillips machine screws,please  send email: annie.li@szsst88.com

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