The normal or common nuts have threads inside of them, and they are attached to the threads of the bolts with the nuts, which are called nuts. These things can come out of the bolt if they are shaken up. If you put a lot of pressure on the SS Lock Nuts, they will keep their grip on the thread of the bolt even when the pressure is very high! Lock nuts and nylon-inserted lock nuts are two examples of nuts that can be used to keep things in place when they get tight. It helps the lock nuts hold onto the bolt better because they have a metal plate on top. This helps them not to fall off because of vibrations. The Flange Lock Nut kinds are also used on piping flanges to lock the nuts onto the bolt threads and secure the flanges. We sell and manufacture various types of nuts, including Metric Lock Nuts and others, as a leading manufacturer.
STANDARD SPECIFICATION
- Grade :- 18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Lock Nuts
- DIN Standard:-B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
- UTS – Unified Thread Standard:- UNC, UNF, UNEF, UNS, NPT, NPTF
- DIN standard:-DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315
- British standards:-BS 57
- Length:- 3 mm to 200 mm
- Stainless Steel Threads:-Metric, Metric Fine, BSW, UNF, UNC, BA, BSF and BSCY (cycle) threads or as required
- Stainless Steel Lock Nuts Size:-Cold Froging : M2-M24, Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg, Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg Stainless Steel Lock Nuts M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes
- Standard:-ISO 4035, ISO 14585C ~DIN 7981C, DIN 7973C ~ISO 1483, DIN 7983C ~ISO 7051, ANSI B18.3.1M, ASME B18.6.3, GB/T5782, GB/T5783, GB5783 DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards ANSI – American National Standards Institute
- Dimensions:-ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
- Tolerance:-+/-0.01mm to +/-0.05mm
- Head drive:Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
- Type:Pan/ Round/ Oval/ countersunk/ Truss head
- Head:Pan head, flat head, oval head, Square head, phillips head
- Finishing:-Zinc (yellow, white, blue, black), black oxide Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET
- Finish:-Per ASTM A380/A380M
- Production process:-Wire DraLock, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
- Surface Coating::-Ptfe Coated Lock Nuts, Phosphate Lock Nuts, Teflon Lock Nuts, Xylon Lock Nuts, Zinc Phosphate Lock Nuts, Manganese Phosphate, Zinc Electro Plating (Hexavalent or Trivalent Chrome), ZAC (Zinc Alluminium Flake Coating), Cadmium Lock Nuts All surface finishes can be supplied, including Zinc, Sherardized, Electroless Nickel, Dacromet, Geomet & PTFE.
- Surface treatment:-Polish, Passivation, Anodizing, Sand blasting, Heat-disposing, Rust preventive oil, Black oxide coating, Electroplating (color, blue, white, black zinc, Ni, Cr, tin, silver)
- Top Manufacturers:-SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc.
- Stainless Steel Lock Nuts Packing:-IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
- Why choose us?:-Best Price in India and compare to China, Professional technical team, High precision threads, Strong production line, Micro Metals will be your reliable partner
- Test Certificate:-Manufacturer Test Certificate as per EN 10204 / 3.1, Tensile testing to ISO 898-1, Nut proof load testing to ISO 898-2, Suitability for preloading to EN 14399-2, Suitability test for calibrated preload to EN 14399-10, Charpy Impact testing in accordance with ISO 148-1, Hardness testing to ISO 6508-1, Tri-Roll Thread Comparators, Calibrated gauges and tools
- Other available material:-Stainless Steel Lock Nuts: SUS201, SUS304, SUS316, SUS410, Brass Lock Nuts: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40), Bronze Lock Nuts: C51000, C52100, C54400 etc, Aluminum Lock Nuts: Al6061, Al6063 etc, Aluminum Alloy Lock Nuts: Al6061, Al6063 etc, Titanium and Titanium Alloy Lock Nuts: TAD, TA1-TA8, TB2, TC1-TC10, Alloy steel Lock Nuts: SCM435, C10B21, C10B33
- Uses & application:-Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry
- Stainless Steel Lock Nut :-AISI 302, 304, 304L,316, 316L, 310, 317, 316S31,317L, 321, 347, 410, 420,904L etc.
- Duplex & Super Duplex Steel Lock Nut:-ASTM / ASME A815 UNS No. S31803, UNS No. S 32205, UNS No. S 31254, UNS No. S 31550, UNS No. S 32750, and UNS No. S 32760
- Carbon Steel Lock Nut:-ASTM A307, A193
- Alloy Steel Lock Nut:-ASTM / ASME A/SA 193 / 194 B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
- Nickel Alloy Lock Nut:-ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472 UNS 2200 (NICKEL 200) / UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600) / UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 8020 (ALLOY 20 / 20 CB 3)
Size |
Finished Hex |
Heavy Hex |
Finished Jam |
Heavy Hex Jam |
Square |
Heavy Square |
|---|---|---|---|---|---|---|
1/2″ |
3.750 |
6.540 |
2.620 |
4.000 |
5.780 |
7.870 |
5/8″ |
7.330 |
11.900 |
4.930 |
6.960 |
10.800 |
14.300 |
3/4″ |
11.900 |
19.300 |
7.700 |
11.000 |
15.400 |
23.500 |
7/8″ |
19.000 |
29.700 |
12.000 |
16.700 |
24.500 |
36.200 |
1″ |
28.300 |
42.500 |
17.600 |
23.500 |
36.300 |
51.500 |
1-1/8″ |
40.300 |
59.200 |
24.700 |
32.400 |
52.500 |
72.400 |
1-1/4″ |
54.300 |
78.600 |
36.100 |
45.800 |
70.600 |
95.500 |
1-3/8″ |
73.000 |
102.000 |
47.900 |
59.300 |
94.500 |
125.000 |
1-1/2″ |
94.300 |
131.000 |
60.900 |
74.800 |
122.000 |
161.000 |
1-5/8″ |
162.000 |
91.600 |
||||
1-3/4″ |
151.000 |
204.000 |
100.000 |
114.000 |
||
1-7/8″ |
241.000 |
134.000 |
||||
2″ |
224.000 |
299.000 |
140.000 |
165.000 |
||
2-1/4″ |
419.000 |
227.000 |
||||
2-1/2″ |
564.000 |
332.000 |
||||
2-3/4″ |
738.000 |
429.000 |
||||
3″ |
950.000 |
545.000 |
||||
3-1/4″ |
1194.000 |
651.000 |
||||
3-1/2″ |
1526.000 |
851.000 |
||||
3-3/4″ |
1812.000 |
1005.000 |
||||
4″ |
2180.000 |
1200.000 |
TYPES OF LOCK NUTS
