Wholesale DIN 981 (HM):2009 HM Type Lock Locknut Nut

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DIN 981 (HM):2009 HM Type Lock Locknut Nut

DIN 981 (HM):2009 HM Type Bearing Lock Nut is used for axial positioning and locking of bearings, sleeves, and shaft assemblies. It is commonly used with MS-type locking washers or similar components to help maintain bearing position and control axial clearance.

Applications include machine-tool spindles, gearboxes, pumps, transmission systems, and precision rotating components. Compared with ordinary nuts, bearing lock nuts place greater emphasis on thread accuracy, end-face contact, and coordinated use with locking washers.

Suitable models and surface finishes can be selected according to shaft diameter, thread size, and operating environment to support long-term stable operation of rotating equipment.

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Dimensions unit: mm

Thread size

Tr220

Tr240

Tr260

Tr280

Tr300

Tr300

Tr320

Tr320

Tr340

Tr340

Tr360

Tr360

Tr380

Tr380

d

×260

×290

×310

×330

×360

×380

×380

×400

×400

×440

×420

×460

×450

×490

P

Pitch

4

4

4

4

4

4

5

5

5

5

5

5

5

5

d2

h13

Nominal

260

290

310

330

360

380

380

400

400

440

420

460

450

490

d1

h13

Nominal

242

270

290

310

336

340

356

360

376

400

394

420

422

440

B

h13

Nominal

30

34

34

38

42

40

42

42

45

55

45

58

48

60

b

JS14

Nominal

20

20

20

24

24

24

24

24

24

28

28

28

28

32

t

H17

Nominal

9

10

10

10

12

12

12

12

12

15

13

15

14

18

Code name

HM 3044

HM 3048

HM 3052

HM 3056

HM 3060

HM 3160

HM 3064

HM 3164

HM 3068

HM 3168

HM 3072

HM 3172

HM 3076

HM 3176

  

Thread size

Tr400

Tr400

Tr420

Tr420

Tr440

Tr440

Tr460

Tr460

Tr480

Tr480

Tr500

Tr500

Tr530

Tr530

d

×470

×520

×490

×540

×520

×560

×540

×580

×560

×620

×580

×630

×630

×670

P

Pitch

5

5

5

5

5

5

5

5

5

5

5

5

6

6

d2

h13

Nominal

470

520

490

540

520

560

540

580

560

620

580

630

630

670

d1

h13

Nominal

442

460

462

490

490

510

510

540

530

560

550

580

590

610

B

h13

Nominal

52

62

52

70

60

70

60

75

60

75

68

80

68

80

b

JS14

Nominal

28

32

32

32

32

36

32

36

36

36

36

40

40

40

t

H17

Nominal

14

18

14

18

15

20

15

20

15

20

15

23

20

23

Code name

HM 3080

HM 3180

HM 3084

HM 3184

HM 3088

HM 3188

HM 3092

HM 3192

HM 3096

HM 3196

HM 30/500

HM 31/500

HM 30/530

HM 31/530

  

Thread size

Tr560

Tr560

Tr600

Tr600

Tr630

Tr630

Tr670

Tr670

Tr710

Tr710

Tr750

Tr750

Tr800

Tr800

d

×650

×710

×700

×750

×730

×0800

×0780

×0850

×0830

×0900

×0870

×0950

×0920

×1000

P

Pitch

6

6

6

6

6

6

6

6

7

7

7

7

7

7

d2

h13

Nominal

650

710

700

750

730

800

780

850

830

900

870

950

920

1000

d1

h13

Nominal

610

650

660

690

690

730

740

775

780

825

820

875

870

925

B

h13

Nominal

75

85

75

85

75

95

80

106

90

106

90

112

90

112

b

JS14

Nominal

40

45

40

45

45

50

45

50

50

55

55

60

55

60

t

H17

Nominal

20

25

20

25

20

28

20

28

25

30

25

34

25

34

Code name

HM 30/560

HM 31/560

HM 30/600

HM 31/600

HM 30/630

HM 31/630

HM 30/670

HM 31/670

HM 30/710

HM 31/710

HM 30/750

HM 31/750

HM 30/800

HM 31/800

  

Thread size

Tr850

Tr850

Tr900

Tr900

Tr950

Tr950

Tr1000

Tr1000

Tr1060

Tr1060

Tr1120

d

×0980

×1060

×1030

×1120

×1080

×1170

×1140

×1240

×1200

×1300

×1260

P

Pitch

7

7

7

7

8

8

8

8

8

8

8

d2

h13

Nominal

980

1060

1030

1120

1080

1170

1140

1240

1200

1300

1260

d1

h13

Nominal

925

975

975

1030

1025

1080

1085

1140

1145

1210

1205

B

h13

Nominal

90

118

100

125

100

125

100

125

100

125

100

b

JS14

Nominal

60

70

60

70

60

70

60

70

60

70

60

t

H17

Nominal

25

38

25

38

25

38

28

38

25

38

25

Code name

HM 30/850

HM 31/850

HM 30/900

HM 31/900

HM 30/950

HM 31/950

HM 30/1000

HM 31/1000

HM 30/1060

HM 31/1060

HM 30/1120

① Material: steel with minimum tensile strength of 350 MPa, manufacturer chooses manufacturing method

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  • 1. How soon can I expect a reply after sending an inquiry?

    A: We take every inquiry seriously. On working days, we will respond within 12 hours after receiving your inquiry.

  • 2. What products do you mainly offer?

    A: We focus on the production of fasteners made of carbon steel, stainless steel, and low-alloy steel. We are a direct manufacturer with independent production capacity. DIN 981 (HM):2009 HM Type Lock Locknut Nut Factory. We own several fastener manufacturing facilities and have an international sales department, providing full-process services from production to export.

  • 3. Do you support customized production?

    A: Customized production is our core business. We can develop and manufacture products based on the drawings or samples you provide.

  • 4. Do you produce standard parts?

    A: Yes. In addition to custom products, we also produce general construction machinery parts (GET parts) for equipment such as excavators, including bucket teeth, tooth holders, corner blades, pins, clips, bolts and nuts. DIN 981 (HM):2009 HM Type Lock Locknut Nut Wholesale.

  • 5. What is your production capacity?

    A: We have 12 energy-efficient and environmentally friendly modern production lines (including one fully automatic shell molding line and four heat treatment lines), with an annual production capacity exceeding 20,000 tons, enabling us to steadily meet various order requirements.

  • 6. What are your payment terms?

    A: Trade terms (such as FOB, CIF, etc.) are confirmed when quoting. For batch production, we typically require a 30% deposit, with the balance paid against the copy of the bill of lading. T/T is the main payment method accepted, and L/C can also be negotiated.

  • 7. How is the shipment arranged?

    A: We are only 35 km away from Shanghai Port and Ningbo Port, so sea freight is the main mode of transportation, which is convenient and efficient. For urgent deliveries, we can also arrange air freight via Ningbo or Shanghai airports.

Better Fastener Industry Co., Ltd.

About Us

BETTER FASTENER INDUSTRY CO., LTD.

Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010. DIN 981 (HM):2009 HM Type Lock Locknut Nut Suppliers in China.

The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.

With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.

Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery

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