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Item Type: Expansion Bolts Material: 304 Stainless Steel Screw Rod Diameter: Approx. 6mm / 0.2in Expansion Bolts Length: Approx. 90mm / 3.5in Usage: Widely used in protective fences, anti-theft doors and windows, canopies, air conditioning external frame fixation, home improvement, engineering, etc.

Installation is simple, requires no complicated operations, has strong bearing capacity, and is not easy to fall off. Made of 304 stainless steel, high-quality materials, rust-proof, corrosion-resistant, strong and durable. It has a wide range of applications and can be used on medical equipment, communication equipment, power plants, electronic products, ship assembly, etc. This package contains 10 expansion bolts, making it very economical and practical, enough to meet your needs.

How to use:

1. Select an impact drill bit with the same diameter as the expansion screw casing and install it on the electric drill to drill the hole. The depth of the hole should be the same as the length of the expansion bolts. Then combine the expansion bolt set into the hole. Note: Do not unscrew the nut to prevent the bolts from falling into the hole when the drill is deep.

2. After tightening the nut 2-3 turns, if it feels that the expansion bolts are relatively tight and not loose, unscrew the nut. Align the mounting piece with the holes on the fixed object against the bolts and install the washer or spring on the outside. Tighten the nut with the tray.

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