300PCS Metric M3-M12 Internal Tooth Starlock Push On Washers Kit

These rings hold attachments firmly in place by gripping the shaft OD. Use them on unhardened shafts that have a hardness less than the hardness of the push ring. Metal must be soft enough for ring to form an interference grip to hold properly. Hold attachments firmly in place on unthreaded rods,shafts,and axles. The Starlock Washers have teeth that dig into the shaft material, so expect minor scratching. Package include: 300pcs 7 Kinds Metric Push On Washers Starlock Washers Assortment Kit;Come with the plastic box: List(Type,ID*OD,Quantity)： Starlock Washers M3(3mm)*9mm 60pcs; Starlock Washers M4(4mm)*12mm 50pcs; Starlock Washers M5(5mm)*14mm 50pcs; Starlock Washers M6(6mm)*16mm 50pcs; Starlock Washers M8(8mm)*18mm 40pcs; Starlock Washers M10(10mm)*20mm 30pcs; Starlock Washers M12(12mm)*25mm 20pcs; Packing contents: MCMASKE 300PCS Metric M3 M4 M5 M6 M8 M10 M12 Internal Tooth Starlock Push On Washers Assortment Kit Packed in the plastic box

• This 300-piece kit includes 7 different sizes of Starlock push on washers: M3 (60PCS), M4 (50PCS), M5 (50PCS), M6 (50PCS), M8 (40PCS), M10 (30PCS), M12 (20PCS). Covers most common metric unthreaded shaft fastening needs in one organized set
• Made of carbon spring steel with surface blackening treatment. The black finish creates a dark appearance and provides mild rust resistance. These washers are magnetic
• These push on washers have teeth that dig into the shaft material to hold attachments firmly in place. Use on unhardened shafts with hardness less than the push ring. Note: expect minor scratching on the shaft surface
• Suitable for unthreaded rods, shafts, and axles. Widely used in machinery equipment, industrial production, shock absorption, bearings, and more
• All 300 pieces are packed in a compact, clear compartmented plastic box, making it easy to identify, store, and access each size. Easy to install and use