Nylon Insert Lock Nut

A hex nut with a nylon ring that grips the bolt thread, so it stays tight under vibration. The ring is compressed as the nut is tightened, creating friction that resists loosening. Install with a standard wrench or socket. Used on machinery, vehicles and equipment that vibrate.

In stockShips within 3 working daysMade to orderShips within 15 working days

M4 × 0.719 variantss7max.e7.66min.h5
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M4	Stainless Steel	A2-70	Passivated		Made to order	2,000	1.29
	M4	Stainless Steel	A2-70	Plain		Made to order	2,000	1.29
	M4	Stainless Steel	A4-80	Passivated		Made to order	2,000	1.29
	M4	Stainless Steel	A4-80	Plain		Made to order	2,000	1.29
	M4	Carbon Steel	Class 04	Plain		Made to order	2,000	1.28
	M4	Carbon Steel	Class 04	Zinc Plated		Made to order	2,000	1.29
	M4	Carbon Steel	Class 04	Dacromet		Made to order	2,000	1.29
	M4	Carbon Steel	Class 04	Blackened		Made to order	2,000	1.28
	M4	Carbon Steel	Class 04	Phosphate		Made to order	2,000	1.28
	M4	Carbon Steel	Class 05	Plain		Made to order	2,000	1.28
	M4	Carbon Steel	Class 05	Zinc Plated		Made to order	2,000	1.29
	M4	Carbon Steel	Class 05	Dacromet		Made to order	2,000	1.29
	M4	Carbon Steel	Class 05	Blackened		Made to order	2,000	1.28
	M4	Carbon Steel	Class 05	Phosphate		Made to order	2,000	1.28
	M4	Carbon Steel	Class 8	Plain		Made to order	2,000	1.28
	M4	Carbon Steel	Class 8	Zinc Plated		Made to order	2,000	1.29
	M4	Carbon Steel	Class 8	Dacromet		Made to order	2,000	1.29
	M4	Carbon Steel	Class 8	Blackened		Made to order	2,000	1.28
	M4	Carbon Steel	Class 8	Phosphate		Made to order	2,000	1.28

M5 × 0.819 variantss8max.e8.79min.h5
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M5	Stainless Steel	A2-70	Passivated		Made to order	2,000	1.57
	M5	Stainless Steel	A2-70	Plain		Made to order	2,000	1.57
	M5	Stainless Steel	A4-80	Passivated		Made to order	2,000	1.57
	M5	Stainless Steel	A4-80	Plain		Made to order	2,000	1.57
	M5	Carbon Steel	Class 04	Plain		Made to order	2,000	1.56
	M5	Carbon Steel	Class 04	Zinc Plated		Made to order	2,000	1.57
	M5	Carbon Steel	Class 04	Dacromet		Made to order	2,000	1.56
	M5	Carbon Steel	Class 04	Blackened		Made to order	2,000	1.56
	M5	Carbon Steel	Class 04	Phosphate		Made to order	2,000	1.56
	M5	Carbon Steel	Class 05	Plain		Made to order	2,000	1.56
	M5	Carbon Steel	Class 05	Zinc Plated		Made to order	2,000	1.57
	M5	Carbon Steel	Class 05	Dacromet		Made to order	2,000	1.56
	M5	Carbon Steel	Class 05	Blackened		Made to order	2,000	1.56
	M5	Carbon Steel	Class 05	Phosphate		Made to order	2,000	1.56
	M5	Carbon Steel	Class 8	Plain		Made to order	2,000	1.56
	M5	Carbon Steel	Class 8	Zinc Plated		Made to order	2,000	1.57
	M5	Carbon Steel	Class 8	Dacromet		Made to order	2,000	1.56
	M5	Carbon Steel	Class 8	Blackened		Made to order	2,000	1.56
	M5	Carbon Steel	Class 8	Phosphate		Made to order	2,000	1.56

M6 × 119 variantss10max.e11.05min.h6
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M6	Stainless Steel	A2-70	Passivated		Made to order	2,000	3.03
	M6	Stainless Steel	A2-70	Plain		Made to order	2,000	3.03
	M6	Stainless Steel	A4-80	Passivated		Made to order	2,000	3.03
	M6	Stainless Steel	A4-80	Plain		Made to order	2,000	3.03
	M6	Carbon Steel	Class 04	Plain		Made to order	2,000	3.00
	M6	Carbon Steel	Class 04	Zinc Plated		Made to order	2,000	3.02
	M6	Carbon Steel	Class 04	Dacromet		Made to order	2,000	3.02
	M6	Carbon Steel	Class 04	Blackened		Made to order	2,000	3.00
	M6	Carbon Steel	Class 04	Phosphate		Made to order	2,000	3.00
	M6	Carbon Steel	Class 05	Plain		Made to order	2,000	3.00
	M6	Carbon Steel	Class 05	Zinc Plated		Made to order	2,000	3.02
	M6	Carbon Steel	Class 05	Dacromet		Made to order	2,000	3.02
	M6	Carbon Steel	Class 05	Blackened		Made to order	2,000	3.00
	M6	Carbon Steel	Class 05	Phosphate		Made to order	2,000	3.00
	M6	Carbon Steel	Class 8	Plain		Made to order	2,000	3.00
	M6	Carbon Steel	Class 8	Zinc Plated		Made to order	2,000	3.02
	M6	Carbon Steel	Class 8	Dacromet		Made to order	2,000	3.02
	M6	Carbon Steel	Class 8	Blackened		Made to order	2,000	3.00
	M6	Carbon Steel	Class 8	Phosphate		Made to order	2,000	3.00

M8 × 1.2528 variantss13max.e14.38min.h6.76DIN 985: h = 8 mm
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M8	Stainless Steel	A2-70	Passivated		Made to order	2,000	5.58
	M8	Stainless Steel	A2-70	Plain		Made to order	2,000	5.58
	M8	Stainless Steel	A4-80	Passivated		Made to order	2,000	5.58
	M8	Stainless Steel	A4-80	Plain		Made to order	2,000	5.58
	M8	Carbon Steel	Class 04	Plain		Made to order	2,000	5.52
	M8	Carbon Steel	Class 04	Zinc Plated		Made to order	2,000	5.56
	M8	Carbon Steel	Class 04	Hot Dip Galvanized		Made to order	2,000	5.76
	M8	Carbon Steel	Class 04	Dacromet		Made to order	2,000	5.54
	M8	Carbon Steel	Class 04	Blackened		Made to order	2,000	5.52
	M8	Carbon Steel	Class 04	Phosphate		Made to order	2,000	5.52
	M8	Carbon Steel	Class 05	Plain		Made to order	2,000	5.52
	M8	Carbon Steel	Class 05	Zinc Plated		Made to order	2,000	5.56
	M8	Carbon Steel	Class 05	Hot Dip Galvanized		Made to order	2,000	5.76
	M8	Carbon Steel	Class 05	Dacromet		Made to order	2,000	5.54
	M8	Carbon Steel	Class 05	Blackened		Made to order	2,000	5.52
	M8	Carbon Steel	Class 05	Phosphate		Made to order	2,000	5.52
	M8	Carbon Steel	Class 8	Plain		Made to order	2,000	5.52
	M8	Carbon Steel	Class 8	Zinc Plated		Made to order	2,000	5.56
	M8	Carbon Steel	Class 8	Hot Dip Galvanized		Made to order	2,000	5.76
	M8	Carbon Steel	Class 8	Dacromet		Made to order	2,000	5.54
	M8	Carbon Steel	Class 8	Blackened		Made to order	2,000	5.52
	M8	Carbon Steel	Class 8	Phosphate		Made to order	2,000	5.52
	M8	Carbon Steel	Class 10	Plain		Made to order	2,000	5.52
	M8	Carbon Steel	Class 10	Zinc Plated		Made to order	2,000	5.56
	M8	Carbon Steel	Class 10	Hot Dip Galvanized		Made to order	2,000	5.76
	M8	Carbon Steel	Class 10	Dacromet		Made to order	2,000	5.54
	M8	Carbon Steel	Class 10	Blackened		Made to order	2,000	5.52
	M8	Carbon Steel	Class 10	Phosphate		Made to order	2,000	5.52

M10 × 1.528 variantss16max.e17.77min.h8.56DIN 985: s = 17 mm, e ≥ 18.9 mm, h = 10 mm
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M10	Stainless Steel	A2-70	Passivated		Made to order	1,000	10.55
	M10	Stainless Steel	A2-70	Plain		Made to order	1,000	10.55
	M10	Stainless Steel	A4-80	Passivated		Made to order	1,000	10.55
	M10	Stainless Steel	A4-80	Plain		Made to order	1,000	10.55
	M10	Carbon Steel	Class 04	Plain		Made to order	1,000	10.45
	M10	Carbon Steel	Class 04	Zinc Plated		Made to order	1,000	10.50
	M10	Carbon Steel	Class 04	Hot Dip Galvanized		Made to order	1,000	10.81
	M10	Carbon Steel	Class 04	Dacromet		Made to order	1,000	10.48
	M10	Carbon Steel	Class 04	Blackened		Made to order	1,000	10.45
	M10	Carbon Steel	Class 04	Phosphate		Made to order	1,000	10.45
	M10	Carbon Steel	Class 05	Plain		Made to order	1,000	10.45
	M10	Carbon Steel	Class 05	Zinc Plated		Made to order	1,000	10.50
	M10	Carbon Steel	Class 05	Hot Dip Galvanized		Made to order	1,000	10.81
	M10	Carbon Steel	Class 05	Dacromet		Made to order	1,000	10.48
	M10	Carbon Steel	Class 05	Blackened		Made to order	1,000	10.45
	M10	Carbon Steel	Class 05	Phosphate		Made to order	1,000	10.45
	M10	Carbon Steel	Class 8	Plain		Made to order	1,000	10.45
	M10	Carbon Steel	Class 8	Zinc Plated		Made to order	1,000	10.50
	M10	Carbon Steel	Class 8	Hot Dip Galvanized		Made to order	1,000	10.81
	M10	Carbon Steel	Class 8	Dacromet		Made to order	1,000	10.48
	M10	Carbon Steel	Class 8	Blackened		Made to order	1,000	10.45
	M10	Carbon Steel	Class 8	Phosphate		Made to order	1,000	10.45
	M10	Carbon Steel	Class 10	Plain		Made to order	1,000	10.45
	M10	Carbon Steel	Class 10	Zinc Plated		Made to order	1,000	10.50
	M10	Carbon Steel	Class 10	Hot Dip Galvanized		Made to order	1,000	10.81
	M10	Carbon Steel	Class 10	Dacromet		Made to order	1,000	10.48
	M10	Carbon Steel	Class 10	Blackened		Made to order	1,000	10.45
	M10	Carbon Steel	Class 10	Phosphate		Made to order	1,000	10.45

M12 × 1.7528 variantss18max.e20.03min.h10.23DIN 985: s = 19 mm, e ≥ 21.1 mm, h = 12 mm
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M12	Stainless Steel	A2-70	Passivated		Made to order	1,000	15.18
	M12	Stainless Steel	A2-70	Plain		Made to order	1,000	15.18
	M12	Stainless Steel	A4-80	Passivated		Made to order	1,000	15.18
	M12	Stainless Steel	A4-80	Plain		Made to order	1,000	15.18
	M12	Carbon Steel	Class 04	Plain		Made to order	1,000	15.03
	M12	Carbon Steel	Class 04	Zinc Plated		Made to order	1,000	15.09
	M12	Carbon Steel	Class 04	Hot Dip Galvanized		Made to order	1,000	15.51
	M12	Carbon Steel	Class 04	Dacromet		Made to order	1,000	15.07
	M12	Carbon Steel	Class 04	Blackened		Made to order	1,000	15.03
	M12	Carbon Steel	Class 04	Phosphate		Made to order	1,000	15.03
	M12	Carbon Steel	Class 05	Plain		Made to order	1,000	15.03
	M12	Carbon Steel	Class 05	Zinc Plated		Made to order	1,000	15.09
	M12	Carbon Steel	Class 05	Hot Dip Galvanized		Made to order	1,000	15.51
	M12	Carbon Steel	Class 05	Dacromet		Made to order	1,000	15.07
	M12	Carbon Steel	Class 05	Blackened		Made to order	1,000	15.03
	M12	Carbon Steel	Class 05	Phosphate		Made to order	1,000	15.03
	M12	Carbon Steel	Class 8	Plain		Made to order	1,000	15.03
	M12	Carbon Steel	Class 8	Zinc Plated		Made to order	1,000	15.09
	M12	Carbon Steel	Class 8	Hot Dip Galvanized		Made to order	1,000	15.51
	M12	Carbon Steel	Class 8	Dacromet		Made to order	1,000	15.07
	M12	Carbon Steel	Class 8	Blackened		Made to order	1,000	15.03
	M12	Carbon Steel	Class 8	Phosphate		Made to order	1,000	15.03
	M12	Carbon Steel	Class 10	Plain		Made to order	1,000	15.03
	M12	Carbon Steel	Class 10	Zinc Plated		Made to order	1,000	15.09
	M12	Carbon Steel	Class 10	Hot Dip Galvanized		Made to order	1,000	15.51
	M12	Carbon Steel	Class 10	Dacromet		Made to order	1,000	15.07
	M12	Carbon Steel	Class 10	Blackened		Made to order	1,000	15.03
	M12	Carbon Steel	Class 10	Phosphate		Made to order	1,000	15.03

M16 × 228 variantss24max.e26.75min.h12.42DIN 985: h = 16 mm
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M16	Stainless Steel	A2-70	Passivated		Made to order	1,000	31.77
	M16	Stainless Steel	A2-70	Plain		Made to order	1,000	31.77
	M16	Stainless Steel	A4-80	Passivated		Made to order	1,000	31.77
	M16	Stainless Steel	A4-80	Plain		Made to order	1,000	31.77
	M16	Carbon Steel	Class 04	Plain		Made to order	1,000	31.45
	M16	Carbon Steel	Class 04	Zinc Plated		Made to order	1,000	31.56
	M16	Carbon Steel	Class 04	Hot Dip Galvanized		Made to order	1,000	32.26
	M16	Carbon Steel	Class 04	Dacromet		Made to order	1,000	31.52
	M16	Carbon Steel	Class 04	Blackened		Made to order	1,000	31.45
	M16	Carbon Steel	Class 04	Phosphate		Made to order	1,000	31.45
	M16	Carbon Steel	Class 05	Plain		Made to order	1,000	31.45
	M16	Carbon Steel	Class 05	Zinc Plated		Made to order	1,000	31.56
	M16	Carbon Steel	Class 05	Hot Dip Galvanized		Made to order	1,000	32.26
	M16	Carbon Steel	Class 05	Dacromet		Made to order	1,000	31.52
	M16	Carbon Steel	Class 05	Blackened		Made to order	1,000	31.45
	M16	Carbon Steel	Class 05	Phosphate		Made to order	1,000	31.45
	M16	Carbon Steel	Class 8	Plain		Made to order	1,000	31.45
	M16	Carbon Steel	Class 8	Zinc Plated		Made to order	1,000	31.56
	M16	Carbon Steel	Class 8	Hot Dip Galvanized		Made to order	1,000	32.26