Supply high head knurled hand screw long screw step double-layer large flat head adjustment handle screw bolt

We have more than ten years of production experience in the screw industry. The main products are: DIN931 bolts, set cup head nuts, cap nuts hexagon semicircle nuts, flat spring combination, stainless steel washers from manufacturers, round head bolts with needles and cores, 1.5D thick hexagon Nuts, ultra-thin gaskets, anti-theft screws, American standard gaskets, high-strength hex nuts, tapping pins, fixed block acrylic screws and nuts, 20304045 type, anti-loosening screws and other fasteners, due to different product materials and specifications , the price is also different, please contact us if necessary.

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Product introduction

Screw Specifications

Screw head table

A pin and a pin piece inserted on the pin, the width of the pin piece gradually decreases from the insertion end to the other end, and the pin piece is also provided with a protrusion, the protrusion is a triangular ratchet tooth shape, the An insertion hole is arranged on the pin, and a pawl corresponding to the protrusion is arranged in the insertion hole.

Supply high head knurling

Further, it also includes a motor, the motor is provided with a thruster that makes the cutting wheel move towards the conveying device, the other end of the motor is provided with a bearing, the output end of the motor is provided with a special-shaped wheel, the special-shaped wheel is toothed with the bearing, and the motor drives the special-shaped wheel to rotate. , move the cut-off wheel closer to or away from the conveyor.

long hand screw

double deck

T-bolt with a spring, used for undercutting the opening of the outer closed cavity, including a head and a rod part connected in one piece, and also including a strip spacer, a spring and a pull rod, and the length of the strip spacer is greater than The opening, the connecting part of the head and the rod part are set as polygonal anti-rotation blocks, and the strip-shaped spacer is provided with anti-rotation holes for inserting the anti-rotation blocks, and the shape and size of the anti-rotation holes are the same as The size of the anti-rotation hole is smaller than that of the head; the spring is threadedly matched with the rod part, and is fixedly connected with the pull rod, and the pull rod moves away from the rod part along the axial direction of the rod part One side of the head extends. The utility model can be easily and reliably buckled in the opening of the airtight cavity, thereby facilitating the installation and connection of external parts.

Large flat head adjusting handle screw

Hot rolled wire rod before plating process - (cold drawing) - spheroidizing (softening) annealing - mechanical dephosphorization - pickling - cold drawing - cold forging - threading - heat treatment - inspection


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