Overview
| brand | Cantonese snail | Nominal diameter | twenty-eight |
| length | eighty | Interdental distance | three |
| Applicable scope | Fasteners for mining machinery | producing area | Tianhe |
| colour | colour | Functional purpose | Spring steel pin |
| Packaging specifications | twenty-eight | model | M28 * 80 |
| Customized or not | no | Order number | Yueluo 2021236 |
| Standard type | European Standard | Delivery time | Within 72 hours |
| Performance level | nine point eight | Material grade | Stainless steel C450 |
Product Details
Stainless steel nuts, self-locking nuts, jam nuts, lock nuts, four jaw nuts, screw in nuts, safety nuts, thin rod screw connection nuts, self-locking hexagonal cap nuts, nuts for special foundation screws, hexagonal crown thin nuts, and lifting eye nuts. [1] Fine tooth all metal hexagonal flange locking nut, all metal hexagonal flange locking nut, fine tooth non-metallic insert hexagonal flange locking nut, fine tooth hexagonal flange nut welding square nut, welding hexagonal nut, buckle nut, embedded round nut
Rivets are nail shaped objects with a cap at one end: in riveting, they use their own deformation or interference to connect the riveted parts. There are many types of rivets, and they are not limited to form. Commonly used are semi round head, flat head, semi hollow rivets, solid rivets, countersunk head rivets, pop rivets, and hollow rivets, which usually use their own deformation to connect the riveted parts. Generally, cold riveting is used for sizes smaller than 12mm, and hot riveting is used for sizes larger than 12mm. But there are also exceptions, such as the nameplate on the three ring lock, which is riveted using the interference between the rivet and the lock body hole. In addition, there are pair of rivets, which are quite special. It is divided into two parts, with a hole in the center of the thicker section of the capped rod body and an interference fit with the thinner section of the capped rod body. When riveting, simply drive the thin rod into the thick rod. Most of the existing rivets are connected through overall deformation to achieve mutual coordination. In ultra small spacing display screens, the diameter of the rivets used to fix the cover of the ultra small spacing display screen is slender. If fixed through overall deformation, it is easy to bend, break, and other phenomena, resulting in poor tightening effect or no tightening effect, damaging components, increasing costs, wasting time and resources.
T-shaped bolts are a commonly used type of bolt, which are often used in conjunction with rails. The existing track is prone to T-bolts getting stuck during use, making it difficult to reach the designated position effectively. This is not convenient enough to use, making it difficult to secure the T-bolts effectively.
The locking of screws is a prior art. Alternatively, using development methods (X-ray control) or complex aiming devices, the fastening screws can be inserted into the transverse holes of the screws. In any case, the front end of the screw cannot be correctly aligned with the axis of the transverse hole, which may deviate from a certain value. This incorrect aiming is inevitable. Despite such aiming errors, in order to make the screw pass through the transverse hole and pass through the transverse hole, the outer diameter of the screw is determined to be a smaller size value relative to the diameter of the transverse hole. If the aiming is not accurate within the range of this small size value, the locking screw can smoothly pass through the transverse hole despite the aiming error. However, due to the current decision to use a small size value, the locking screw has a gap relative to the transverse hole. This gap determines the relative movement of the osteotomy piece fixed on the corresponding keyhole with a locking screw relative to the nail, and the degree to which the nail can also move relative to the rigidity of other osteotomy pieces fixed with the same nail. While achieving flexibility in materials and overall equipment, this achieves size, which can hinder effective consolidation and can also decisively delay. In order to ensure the applicability of the locking device in surgeons, this gap is inevitable, but it does not meet the requirements in some clinical indications (such as fragments of the metaphysis). Even screws with a cross-section, even if the locking hole has internal threads, are not without gaps. This internal thread only prevents the screw from moving axially on the locking screw.
The existing wooden screws have a cone angle, consisting of a threaded portion set along the cone rod and a threaded head. The head of the screw can be countersunk, hemispherical, or other shapes, but the head of the screw has a groove that is suitable for the movement of the tool, a straight groove, and an inner concave. The cone angle of existing wood screws is 45 degrees or 60 degrees, and the front end of the cone angle is a pointed head formed by rotating screws. The cone angle of existing wood screws is 45 degrees or 60 degrees, so the mountain shaped angle of the screws is all 60 degrees, which has a high resistance when entering the material. Therefore, it is difficult to manually screw in the existing wood screws, especially when used for hard wood materials. When the groove of the screw head needs to be inserted into the wood material, as the front end of the screw is composed of rotating screws, a large lateral torque will be formed during rotation, which is easy to deviate from the position. In addition, due to the conical shape of existing screws, they will be subjected to radial and axial forces when entering the material. The stress state is complex, so the invading wooden material is prone to expansion and longitudinal cracks, making it unusable.
