Types

Hex Finished Nuts and Heavy Nuts

DIN Standard of Anco Lock Nut

DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315

British standards of Anco Lock Nut

BS 57

Stainless Steel Anco Lock Nut Size

• Cold Forming process: M2-M24
• Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg
• CNC Machining for M100 / 4” Dia, up to 1500mm lg

Manufacturing M20, M24, M10, M3.5, M16, M42, M22, M30, M2, M4, M27, M14, M18, M36, M8, M33, M12, M45, M6, M5, M3, M48 to M160 and Custom Metric Stainless Steel Anco Lock Nut

Material

• Steel grade 2-5-8,
• 2H/ DH
• stainless steel

SS Anco Lock Nut British standards

• BS6105 A2-70 Anco Lock Nut
• BS6105 A4-70 Anco Lock Nut
• BS6105 A4-80 Anco Lock Nut
• BS6105 A2-50 Anco Lock Nut

Length

3 mm to 200 mm

Stainless Steel Anco Lock Nut US Threads

UNC, 8UN Series, UNF, Left Hand Thread Class 2B, 3B, and Metric

UTS - Unified Thread Standard

UNF, NPT, UNEF, UNS, NPTF, UNC Anco Lock Nut manufacturers in India

SS Anco Lock Nut Dimensions

ASME B 18.2.2

Metric Anco Lock Nut Tolerances

+/-0.01mm to +/-0.05mm

Head drive

Phillips/Slot, Phillips, Slotted, Six-Lobe, etc

Anco Lock Nut Surface Finish

Geometry, Nickel plated, Stainless Steel Passivated, Anodizing, Zinc, Hot Dip Galvanised (HDG), Self-Colour, Sherardized, black oxide, Dacroment, Plated zinc-nickel, Bright Zinc Plated (BZP)

Finish/ Passivation of Stainless Steel Anco Lock Nut

Accordance to ASTM A380/A380M

Anco Lock Nut Surface treatment

• Polish
• Passivation
• Black oxide coating
• Anodizing
• Sand blasting
• Rust preventive oil
• Heat-disposing
• Hot dip galvanized
• Electroplating color (blue, black zinc, white, Ni, Cr, copper, tin, silver)

Stainless Steel Anco Lock Nut Manufacturing process

• Heading
• Machining
• Threading
• Cold Heading
• Heat treatment
• Plating
• Baking
• Surface Plating
• Inspection
• Package
• Shipping

Material Origin

Stainless Steel Anco Lock Nut are Western European. Eastern origin possible on request.

Standard

IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards

• ANSI B 18.2.4 2M
• ANSI B 28.2.4 1M
• ANSI - American National Standards Institute
• GB/T5783, GB/T5782, GB5783
• American ASME
• Indian IS
• International ISO
• American SAE
• German DIN
• Spanish CSN
• British BS
• Italian UNI
• Polish PN
• European EU

Stainless Steel Anco Lock Nut Surface Coating

• Ptfe Coated Anco Lock Nut
• Hot Dipped Galvanized
• Phosphate
• Teflon
• Xylon
• Zinc Phosphate
• Manganese Phosphate
• Zinc Electro Plating (Hexavalent or Trivalent Chrome)
• ZAC (Zinc Alluminium Flake Coating)
• Cadmium
• ASTM A153 Zinc coating (hot dip)
• ASTM B695 zinc coating
• ASTM F1941 Electrodeposited coatings (Zinc plating).
• ASTM F2329 Zinc coating, hot dip

All Anco Lock Nut surface finishes can be supplied including Galvanised, Zinc, Sherardized, Dacromet, Electroless Nickel, Geomet & PTFE.

Other Top Anco Lock Nut Manufacturers

Omni, APL, Unbrako, Kundan, Deepak Fasteners, Sundaram Precision, Infasco, Caparo, EBY Fastener, SPAX® Screws, GKW Etc.

Stainless Steel Anco Lock Nut marking and Packing

• Anco Lock Nut Marking as per product specification
• Wooden Pallet, Canton, Carton / Small Box or as required
• Carton size : 36* 24 *16 CM & 36 *24 *12 CM  or as required
• Pallet size: Standard Euro Pallet 110* 80 *90 CM

Delivery time

Regular product is about 7-15 days, custom product will according to special requirement

Why Parmanu Dhatu Nigam?

• Based in India, established in Year 2008
• Wide International network : Western Europe, Eastern Europe, Middle East, Southeast Asia, North America, and South America
• Best Price in India compared to Anco Lock Nut manufacturers in China
• Highly professional and technical team
• Always final Inspection before shipment
• Pre-production Anco Lock Nut sample before mass production
• High precision threads

MOQ

5 pieces

Test Certificates provided by Anco Lock Nut manufacturers

• Manufacturer Test Certificate (MTC) as per EN 10204 / 3.1,
• Anco Lock Nut Tensile testing to ISO 898-1
• Hardness testing to ISO 6508-1
• Suitability for preloading to EN 14399-2
• Tri-Roll Thread Comparators
• Anco Lock Nut Charpy Impact testing in accordance with ISO 148-1
• Suitability test for calibrated preload to EN 14399-10
• Nut proof load testing to ISO 898-2
• Calibrated gauges and tools

Free Samples

Yes

Payment Terms

T/T, Western Union, Paypal, L/C or Trade Assurance 30% deposit & balance before shipping

Preferred Anco Lock Nut Drawing Formats

JPEG, PDF, CAD, STP, IGS

Common Anco Lock Nut material grades

• Stainless Steel Anco Lock Nut: 18-8 Stainless Steel, 304, 316, 316L, 2205, 410, 431, 416, 440C, 18-8, 4.8, 8.8, A2, A4, A2-50, A2-70, A2-80, A4-50, A4-70, A4-80, A194 8M, A194 Grade 6, A194 7m, A194 Grade 8 Anco Lock Nut
• Carbon Steel Anco Lock Nut : A194 Grade 1, A194 Grade 2, A194 Grade 2HM, A194 Grade 4, A194 Grade , A194 Grade 7m, A194 Grade 2H Anco Lock Nut
• Alloy steel Anco Lock Nut: SCM435, C10B21, C10B33 
• High Tensile Anco Lock Nut: 10.9 Grade, 12.9 Grade, 8.8 Grade Anco Lock Nut
• Brass Anco Lock Nut: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)
• Bronze Anco Lock Nut: C51000, C52100, C54400 etc
• Aluminum Anco Lock Nut: Al6061, Al6063 etc
• Titanium Anco Lock Nut: TAD, TA1-TA8, TB2, TC1-TC10

Port of Dispatch

Mumbai or Kalamboli ports in Maharashtra state of India

Other Fasteners

• Hex Bolt
• Machine Screw
• Hex Nuts
• Flat Washer
• Threaded Rod
• Stud Bolt

Find our dealers & distributors of Stainless Steel Anco Lock Nut 

Vung Granada, Thiruvananthapuram, Sharjah, Baroda, Jaipur, Montreal, Dubai, Bogota, Coimbatore, Mexico, Bangalore, Ludhiana, Caracas, Houston, Calgary, Abu Dhabi, Vapi, Seoul, Lagos, Nashik, Pune, Khobar, Perth, Santiago, Indore, Sydney, Jakarta, Panipat, Ahvaz, Gimhae-si, London, Nagpur, Brisbane, Kuwait, Courbevoie, Singapore, Kuala Lumpur, Ahmedabad, New Delhi, Noida, Riyadh, Vadodara, Janeiro, India, Port-of-Spain, Manama, Kolkata, Pimpri-Chinchwad, Ernakulam, Gujarat, Kanpur, Mumbai, Ranchi, Surat, Bengaluru, Rajkot, Agra, Ankara, Melbourne, Doha, Lucknow, Gurgaon, Karachi, Istanbul, Thane, Tau, Bhubaneswar, Tehran, Shah Alam, Dammam, Hyderabad, Jamshedpur, Muscat, Patna, Kochi, Mysuru, Howrah, Dhaka, Chennai, Navi Mumbai

ISO - International Organization for Standardization

• ISO 4014 Hex Bolt
• ISO 4017 Hex Head Screw
• ISO 4032 Nut
• ISO 4162 Flange Bolts
• ISO 4161 Flange Nut

Products

FOB Price US $

Anco Lock Nuts

US $0.07-$0.10/ Piece

3/4" ANCO LOCK NUT, GALVANIZED, UNC

US $0.035-$0.95/ Piece

Anco Lock Nut Grade
 Identification
 Marking

Anco Lock Nut Specification

Anco Lock Nut Material

Nominal Size ub Inches

Anco Lock Nut Proof
 Load Stress ksi

Hardness
 Rockwell

Min

Max

 No Mark

ASTM A563
 - Grade 0

Carbon
 Steel

1/4 thru
 1-1/2

69

B55

C32

ASTM A563
 - Grade A

Carbon
 Steel

1/4 thru
 1-1/2

90

B68

C32

ASTM A563 - Grade B

Carbon Steel

1/4 thru 1

120

B69

C32

over 1
 thru 1-1/2

105

ASTM A563
 - Grade C

Carbon
 Steel
 May be Quenched and Tampered

1/4 thru 4

144

B78

C38

ASTM A563
 - Grade C3

Atmospheric
 Corrosion Resistant Steel May be Quenched and Tampered

1/4 thru 4

144

B78

C38

ASTM A563
 - Grade D

Carbon
 Steel
 May be Quenched and Tampered

1/4 thru 4

150

B84

C38

ASTM A563
 - Grade DH

Carbon
 Steel
 Quenched and Tampered

1/4 thru 4

175

C24

C38

ASTM A563
 - Grade DH3

Atmospheric
 Corrosion Resistant Steel,Quenched and Tampered

1/4 thru 4

175

C24

C38

ASTM A194
 - Grade 1

Carbon
 Steel

1/4 thru 4

130

B70

-

ASTM A194
 - Grade 2

Medium
 Carbon Steel

1/4 thru 4

150

159

352

ASTM A194
 - Grade 2H

Medium
 Carbon
 Steel, Quenched and Tempered

1/4 thru 4

175

C24

C38

ASTM A194
 - Grade 2HM

Medium
 Carbon
 Steel, Quenched and Tempered

1/4 thru 4

150

159

237

ASTM A194
 - Grade 4

Medium
 Carbon
 Alloy Steel, Quenched and Tempered

1/4 thru 4

175

C24

C38

ASTM A194
 - Grade 7

Medium
 Carbon
 Alloy Steel,Quenched and Tempered

1/4 thru 4

175

C24

C38

ASTM A194
 - Grade 7M

Medium
 Carbon
 Alloy Steel, Quenched and Tempered

1/4 thru 4

150

159

237

Size

Diameter*

Height

Hex Nut

Machine Screw Nut

Hex Nut

Jam Nut

Nylock Nut

Machine Screw Nut

#0

-

5/32"

-

-

-

3/64"

#1

-

5/32"

-

-

-

3/64"

#2

-

3/16"

-

-

9/64"

1/16"

#3

-

3/16"

-

-

9/64"

1/16"

#4

-

1/4"

-

-

9/64"

3/32"

#6

-

5/16"

-

-

11/64"

7/64"

#8

-

11/32"

-

-

15/64"

1/8"

#10

-

3/8"

-

-

15/64"

1/8"

#12

-

7/16"

-

-

5/16"

5/32"

1/4"

7/16"

7/16"

7/32"

5/32"

5/16"

3/16"

5/16"

1/2"

9/16"

17/64"

3/16"

11/32"

7/32"

3/8"

9/16"

5/8"

21/64"

7/32"

29/64"

1/4"

7/16"

11/16"

-

3/8"

1/4"

29/64"

-

1/2"

3/4"

-

7/16"

5/16"

19/32"

-

9/16"

7/8"

-

31/64"

5/16"

41/64"

-

5/8"

15/16"

-

35/64"

3/8"

3/4"

-

3/4"

1-1/8"

-

41/64"

27/64"

7/8"

-

7/8"

1-5/16"

-

3/4"

31/64"

63/64"

-

1"

1-1/2"

-

55/64"

35/64"

1-3/64"

-

* This is the diameter across the flats. It is also the size of wrench to use.

Anco Lock Nut Nominal Diameter
 Thread Pitch

Width
 Flats, S

Width
 Corners
 E

Property Classes 5 and 10 Anco Lock Nut

Property Class 9 Anco Lock Nut

Property Class

Bearing Face
 Diameter
 Dw

Metala
 Type

Top
 Insert

All
 Metal

Top
 Insert

5 &
 10 Anco Lock Nut

9 Anco Lock Nut

Thickness, M

Wrenching Height, M1

Max

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

Min

Min

Min

Min

M3 × 0.5

5.50

5.32

6.35

6.01

3.10

2.65

4.50

3.90

3.10

2.65

4.50

3.90

1.4

1.4

4.6

M3.5 × 0.6

6.00

5.82

6.93

6.58

3.50

3.00

5.00

4.30

3.50

3.00

5.00

4.30

1.7

1.7

5.1

M4 × 0.7

7.00

6.78

8.08

7.66

4.00

3.50

6.00

5.30

4.00

3.50

6.00

5.30

1.9

1.9

5.9

M5 × 0.8

8.00

7.78

9.24

8.79

5.30

4.80

6.80

6.00

5.30

4.80

7.20

6.40

2.7

2.7

6.9

M6 × 1

10.00

9.78

11.55

11.05

5.90

5.40

8.00

7.20

6.70

5.40

8.50

7.70

3.0

3.0

8.9

M8 × 1.25

13.00

12.73

15.01

14.38

7.10

6.44

9.50

8.50

8.00

7.14

10.20

9.20

3.7

4.3

11.6

bM10 × 1.5

15.00

14.73

17.32

16.64

9.70

8.70

12.50

11.50

11.20

9.60

13.50

12.50

5.6

6.2

13.6

M10 × 1.5

16.00

15.73

18.48

17.77

9.00

8.04

11.90

10.90

10.50

8.94

12.80

11.80

4.8

5.6

14.6

M12 × 1.75

18.00

17.73

20.78

20.03

11.60

10.37

14.90

13.90

13.30

11.57

16.10

15.10

6.7

7.7

16.6

M14 × 2

21.00

20.67

24.25

23.35

13.20

12.10

17.00

15.80

15.40

13.40

18.30

17.10

7.8

8.9

19.6

M16 × 2

24.00

23.67

27.71

26.75

15.20

14.10

19.10

17.90

17.90

15.70

20.70

19.50

9.1

10.5

22.5

M20 × 2.5

30.00

29.16

34.64

32.95

19.00

16.90

22.80

21.50

21.80

19.00

25.10

23.80

10.9

12.7

27.7

M24 × 3

36.00

35.00

41.57

39.55

23.00

20.20

27.10

25.60

26.40

22.60

29.50

28.00

13.0

15.1

33.2

M30 × 3.5

46.00

45.00

53.12

50.85

26.90

24.30

32.60

30.60

31.80

27.30

35.60

33.60

15.7

18.2

42.7

M36 × 4

55.00

53.80

63.51

60.79

32.50

29.40

38.90

36.90

38.50

33.10

42.60

40.60

19.0

22.1

51.1

• 304 Stainless Steel Anco Lock Nut
• 17-4 PH Anco Lock Nut
• ASTM A194 Grade 8m Anco Lock Nut (316) 
• 18-8 Stainless Steel Anco Lock Nut
• 316 Stainless Steel Anco Lock Nut
• 304H Stainless Steel Anco Lock Nut
• A4 Anco Lock Nut
• 317L Stainless Steel Anco Lock Nut
• 316L Stainless Steel Anco Lock Nut
• 310 Stainless Steel Anco Lock Nut
• ASTM A194 Grade 8 Anco Lock Nut (304)
• 18-8 Stainless Steel Anco Lock Nut
• A2-70 Anco Lock Nut
• 347 Stainless Steel Anco Lock Nut

• A2 Anco Lock Nut
• Duplex 2205 Anco Lock Nut
• ASTM A194 Grade 6 Anco Lock Nut (410) 
• 317 Stainless Steel Anco Lock Nut
• 904L Stainless Steel Anco Lock Nut
• A4-80 Anco Lock Nut
• 410 Stainless Steel Anco Lock Nut
• 304L Stainless Steel Anco Lock Nut
• 4.8 Anco Lock Nut
• ASTM A194 8C Anco Lock Nut (347) 
• 316 Stainless Anco Lock Nut
• 8.8 Anco Lock Nut 
• 321 Stainless Steel Anco Lock Nut
• A4-70 Anco Lock Nut