DK Block Card

QC889 ST421 (A-type shaft retaining ring) DK clamp, XDK anti loosening clamp

DK blocking card, XDK anti loosening blocking card (with a small tongue in the middle and bottom flipping); The material is made of high-quality 65Mn spring steel or stainless steel, and the surface treatment methods include blackening, phosphating, electroplating, and nickel plating.

This component belongs to the automotive standard, and our company's series of products are based on the specifications Φ 4- Φ 16. Long term stock available.

Block cards, which can be classified as mechanical fasteners, are devices that prevent axial movement of components on shafts or pins. The rear of the stopper is fastened with a locking plate, shaped like an open washer; The front is an auxiliary piece, shaped like an inverted open washer. When in use, the locking plate is clamped into the end groove of the shaft or pin, and the auxiliary plate is sleeved on the outer circle of the shaft or pin, which can serve as an elastic retaining ring and an open retaining ring. This type of gear block has the advantages of reliable limit, convenient loading and unloading, and high resistance to axial force, making it suitable for devices with strong vibration.

Made of 65 manganese steel and subjected to advanced quenching technology, it is suitable for various shaft diameters and is widely used in the switch industry. Can be customized according to user requirements.

【 Retaining ring/snap ring 】: GB896/DIN6799 open retaining ring, GB894/DIN471 shaft retaining ring, GB893/DIN472 hole retaining ring, JB-ZQ4344 (ZQ4343) heavy retaining ring, GB895/DIN7993 steel wire retaining ring, GB305/DIN5417 stop ring

[Washers]: Y-series waveform washer, JB7590 waveform spring washer, GB955/DIN137B waveform elastic washer, GB93 standard spring washer, lock washer, stop washer, grounding washer, GB860 saddle elastic washer, DIN6796 disc spring washer, Q414 conical serrated washer, inner (outer) serrated lock washer, DIN25201 double stacked self-locking washer, JB4340/DIN9250 double-sided embossed washer, single-sided embossed washer GB858/DIN5406 stop washers for round nuts, etc;

[Bolt, Nut]: Wheel hub bolt (tire bolt), wheel hub nut (tire nut), steam standard bolt (steam standard screw), DIN981/GB812 round nut

[Other standard parts]: GB879/DIN1481/DIN7344 elastic cylindrical pin, Q673B steel strip elastic ring clamp (clamp), spring nut/leaf spring nut, QC889-DK clamp, XDK anti loosening clamp, DIN74361C spherical spring washer, Q686 single pipe clamp, stretching clamp plate, bearing clamp, cap bearing clamp, plum blossom clamp, etc. Various types of non-standard parts can also be customized.

[Forging, machining parts]: various types of forgings within 10KG, trailer ball head, door closer piston, various instruments, CNC turning