Supply of high-strength cross-hardened self-tapping screws cross-sunk head self-tapping nails wallboard drywall nails 1/2-13

We have more than ten years of experience in screw industry production, the main products are: hexagon stud, anti-drop damping lock nut, internal pull screw, rose rod with female flat washer combination, full-tooth hexagon head screw, composite waterproof gasket Sheets, Hexagon Bolts with Pads, 304 Positioning Pins, Star Bakelite Screws, Square Flat Washers, Soft Plastic Washers, Plug Screws for Reaming Holes, U-Clamp Screws, Rubber Coupling Washers, Blackened Half-Thread Screws, etc. Fasteners, due to the different materials and specifications of the products, the prices are also different, if you need it, please contact us.

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Product introduction

Screw Specifications

Screw head table

Rivets are usually used for riveting the connection between objects, and usually require the use of specific special tools to operate. There are many types of rivets, such as round head rivets, flat cone head rivets, countersunk head rivets, half countersunk head rivets, flat head rivets, hollow rivets, tubular rivets, sign rivets, etc. in order to meet different operational needs.

supply high intensity

The most important link in the development and design of fasteners is quality control. There are several major points from the feed to the finished product shipment, and these major points have different inspection methods. First of all, the feed is related to appearance, size, elements, performance, detection of harmful substances, etc.; the process is more about appearance, size, percussion test, forging flow line; heat treatment is more about appearance, hardness, torque, tension , metallography, etc.; the surface treatment is more about some hydrogen embrittlement tests, coatings, salt spray, etc., including a detection of harmful substances in shipments. In size and appearance inspection, the common ones are quadratic element, contour measuring instrument, three-coordinate measuring instrument, image sorting machine (this is a full selection machine); in mechanical and chemical inspection, there are mainly hardness machines (Rockwell and Vickers). ), tensile machine, metallographic microscope; in material testing, there is a spectrum analyzer and a salt spray testing machine.

Phillips hardened self-tapping screws

Cross countersunk self-tapping screws

Guangdong Yueluo Hardware Industry Co., Ltd. involves a low-carbon steel rivet nut fastened to thin-walled and thin-plate fasteners, especially suitable for machinery manufacturing, automobiles, trains, aerospace, aviation, shipbuilding, construction, petroleum, textile, Fastening connection of instruments, furniture, electrical appliances and other equipment.

Wallboard Drywall Studs

The circlip extrusion and positioning mechanism includes a vertically installed circlip sleeve rod and a linear module controlled by a positioning motor; a plurality of circlips to be installed are sleeved on the surface of the circlip sleeve rod; the surface of the linear module can be Mobile installation quick clamp; the clamping mouth of the quick clamp is a tight top plate; the tight top plate is in contact with the upper circlip and moves up and down with the up and down movement of the circlip sleeve;


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