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Supply stainless steel 304 wing nut hand screw ingot wing nut 5/8

We have more than ten years of experience in screw industry production. The main products are: round head adjusting bolt, half tooth cup head bolt, 304 positioning pin, national standard color metal flat washer screw, brass nut, bearing gasket, zinc outer diameter 7.2, cylindrical Connections, casing gaskets, UNC countersunk head socket head cap bolts, two-head screws, outer hexagon titanium screws, carbon steel full-tooth socket head screws, saddle-shaped single-sided tooth washers, 316 washers and other fasteners, due to the product material and Specifications vary, prices vary, please contact us if necessary.

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Product introduction

Screw Specifications

Screw head table

Guangdong Yueluo Hardware Industry Co., Ltd. is a screwing fixture, including a bottom plate, a bearing seat and a hydraulic press are respectively installed on both sides of the top of the bottom plate, a bearing is installed inside the bearing seat, and the inner ring of the bearing is connected to the support The bottom end of the vertical rod is snap-connected, the top end of the supporting vertical rod is fixedly connected to the supporting horizontal rod through an adjusting screw, the bottom end of the supporting horizontal rod is provided with a chute, and the inside of the chute is connected by sliding The slider is fixedly connected with the electric batch, the hydraulic press is connected with the fixed seat through the hydraulic rod, the top of the fixed seat is fixedly connected with the screw positioning plate through two fixed blocks, and the opposite side of the two fixed blocks is provided with Clamping mechanism for clamping workpieces.

Supply stainless steel 304

Generally speaking, the metal plate needs to open holes for inserting the rivets, and then press the two sides of the metal plate along the positive direction of the metal plate with a jig, so that the metal plate is deformed in the plane direction, which makes the inner edge of the hole Shrink and fit the rivet. Existing riveting techniques are not suitable for thin sheets. Because the thin plate does not have enough thickness to compress in its forward direction, the insufficient deformation in the forward direction causes enough deformation in the plane direction to insert the rivet, so the rivet cannot be firmly fixed to the thin plate.

wing nut

hand twist ingot

Rivets are nail-shaped objects with a cap on one end: in riveting, the riveted parts are connected by their own deformation or interference. There are many types of rivets, and they are not restricted in form. Commonly used are R-type rivets, fan rivets, blind rivets, tree-shaped rivets Rivets, semi-circular head, flat head, semi-hollow rivets, solid rivets, countersunk head rivets, blind rivets, hollow rivets, these usually use their own deformation to connect the riveted parts, generally less than 8 mm with cold rivets, larger than this size with Hot riveting, but there are exceptions. For example, the nameplate on some locks is riveted by the interference between the rivet and the lock body hole. The rivet pliers are used to cut rivets. The existing rivet pliers have a simple structure and cannot be riveted according to the The user needs to cut a certain length of rivets, and cutting the rivets is time-consuming and labor-intensive, and it is not convenient for people to use.

wing nut

The self-tapping locking screw is composed of three parts: the head, the stem and the end of the stem from beginning to end. The composition of each self-tapping screw has four major elements: head shape, wrenching method, thread type, and end type. Head Shapes - Head shapes come in all shapes and sizes. There are round head (semi-round head), oblate head, round head flange (with pad), oblate head flange (with pad), pan head, pan head flange (with pad), countersunk head, semi-countersunk head, Cylinder head, spherical cylinder head, horn head, hexagonal head, hexagonal flange head, hexagonal flange (with gasket), etc. Wrench Styles - There are various ways of wrenching. External wrench: hexagonal, hexagonal flange, hexagonal flange, hexagonal flower shape, etc.; internal wrench: slotted, cross groove H type (Phillips), cross groove Z type (Pozidriv), cross groove F type (Frearson) , Square groove (Scrulox), compound groove, internal spline, internal hexagon flower (plum groove), internal triangle, internal hexagon, internal 12-angle, clutch groove, six-blade groove, high torque cross groove and so on. Thread Types - There are many types of threads. There are self-tapping threads (wide thread), machine threads, drywall screw threads, fiberboard screw threads, and some other special threads. In addition, the thread can be divided into single lead (single head), double lead (double head), multi-lead (multiple head) and high and low thread double head thread. End type - The end type mainly includes saw end and flat end. However, according to the function of use, grooves, grooves, incisions or parts with a cutting function can be processed. In some standards, the same saw end or flat end, there are different forms. There are various changes in the head shape, wrenching method, thread type and shank end type of self-tapping screws. They can be combined with each other to show many different products belonging to the category of self-tapping screws.


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