DIN985 Standard Self-Locking Nut Carbon Steel Nut Hex Lock Nut Safety Nut for Fasteners (10Pcs, M3)

• ✅【DIN985 Self-locking Nut】The lock nut, also known as stop nut or self-locking nut, has a plastic fastening piece made of polyamide on the internal thread. The plastic deformation of the plastic part, which occurs when tightening the nut, prevents the threaded joint from loosening on its own and makes other machine elements or machining of the screw shank unnecessary.
• ✅【Wide Applications】Our hex nuts are very strong and suitable for both indoor and outdoor use. For mechanical engineering, automobiles, motorcycles, models, fence construction, furniture, etc.
• ✅【Excellent workmanship】When using high-quality carbon steel, the lock nut can be used not only in dry rooms but also in wet rooms and outdoors.The high hardness ensures a long service life.
• ✅【Hex Nuts】Lock nuts are a new type of anti-vibration anti-elastic parts used in folding beds, cabinets, miners, cutters, textile machines, etc.

Specifications: M3: Head height = 2.15 mm Corner dimension = 6 mm Width between faces = 5.5 M4: Head height = 2.9 mm Corner dimension = 7.7 mm Width between faces = 7 M5: Head height = 3.7 mm corner size = 8.8 mm Width between faces=8 M6: Head height = 4.7 mm Corner dimension = 11 mm Width between faces = 10 M8: Head height = 6.15 mm Corner dimension = 14.3 mm Width between faces = 13 M10: Head height = 7.65 mm Corner dimension = 18.9 mm Width between faces = 17 M12: Head height = 9.65 mm Corner dimension = 21.1 mm Width between faces=19