High pressure carbon steel extension piece fitting designed to connect remote grease lines to hard-to-reach machine bearing blocks.
High pressure carbon steel extension piece fitting designed to connect remote grease lines to hard-to-reach machine bearing blocks. High pressure carbon steel extension piece fitting designed to connect remote grease lines to hard-to-reach machine bearing blocks.
Stainless steel straight reducing socket showing metric and NPT male-to-female threads for an industrial central lubrication system. Stainless steel straight reducing socket showing metric and NPT male-to-female threads for an industrial central lubrication system.

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Industrial Central Lubrication System Adapters, Reducers & Extensions

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  • 24 degree cone connector

  • Metric O-ring port

  • Straight

  • One wire braid hoses

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Optimize your progressive divider valves and automated grease distribution networks with our industrial-grade adapters, extension pieces, and reducers. Engineered to withstand demanding operational environments, these premium system components maintain completely leak-resistant seals at system pressures up to 400 bar (5,800 PSI). Whether you are correcting thread sizes on a distribution manifold, branching your lubrication lines, or extending access to recessed machinery bearing ports, our precision-machined fittings prevent costly fluid loss and maximize equipment uptime.

Heavy-duty steel lubrication reduction tube adapter fitting for connecting a high-pressure grease line to a centralized lubrication system manifold block.

Part No.

G

G1

L

L1

SW

SK

FRI

BEK

5KMC-6-8L19

M 6 x 1 tap

M 8 x 1

19

7

11

404-663K

100-120

1002 1000 301kL20

5KMC-6-10L23

M 6 x 1 tap

M 10 x 1

23

10

13

2510-103

0401 1600 506L24

5KB-6-2L23

M 6 x 1 tap

Rp 1/8 BSP

23

10

13

2510-104

5KMC-8-8L18

M 8 x 1 tap

M 8 x 1

18

8

11

404-003K

100-130

1002 1000 304kL17

5KM-8X1.25L20

M 8 x 1,25 tap

M 8 x 1,25

20

7

11

100-130-1

5KMC-8-8L32

M 8 x 1 tap

M 8 x 1

32

22

11

100-132

0401 1600 806L35

5KM-8X1.25L32

M 8 x 1,25 tap

M 8 x 1,25

32

22

11

100-132-1

5KMC-8-8L62.5

M 8 x 1 tap

M 8 x 1

62,5

52,5

11

404-045

100-135

0401 1603 106L50

5KMC-8-10L23

M 8 x 1 tap

M 10 x 1

23

12

13

100-137

0401 1600 106L21

5KB-8-2L23

M 8 x 1 tap

Rp 1/8 BSP

23

12

13

100-170

5KMC-10-8L18

M 10 x 1 tap

M 8 x 1

18

8

11

404-006K

100-140

1002 1000 306kL16

5KMC-10-10L18

M 10 x 1 tap

M 10 x 1

18

7

13

100-142

0401 1610 306L17.5

5KMC-10-10L23

M 10 x 1 tap

M 10x1

23

12

13

406-004K

100-141

0401 1600 206L21

5KMC-10X1.5-10L23

M 10 x 1 ,5 tap

M 10x1

23

12

13

2510-211

5KMC-10-10L35

M 10 x 1 tap

M 10x1

35

24

13

100-145

0401 1600 706

5KMC-10-10L40

M 10 x 1 tap

M 10x1

40

29

13

100-143

5KMC-10-10L40/9

M 10 x 1 tap

M 10x1

40

9

14

2510-105

5KMC-10-10L50

M 10 x 1 tap

M 10x1

50

39

13

100-146

0401 1600 606

5KB-10-4L22

M 10 x 1 tap

Rp 1/4 BSP

22

8

17

100-171

5TMC-2-10L18

R 1/8 BSP tap

M 10x1

18

7

13

456-004K

100-151

5TB-2-2L18

R 1/8 BSP tap

Rp 1/8 BSP

18

11

13

100-152

5TMC-2-8L18

R 1/8 BSP tap

M 8x1

18

7

13

100-155

5KB-10-2L18

M 10 x 1 tap

Rp 1/8 BSP

18

7

13

2510-106

5TB-2-2L23

R 1/8 BSP tap

Rp 1/8 BSP

23

12

13

100-148

5TB-2-2L30

R 1/8 BSP tap

Rp 1/8 BSP

30

18

13

100-156

5TB-2-2L35

R 1/8 BSP tap

Rp 1/8 BSP

35

23

13

100-149

5TB-2-2L41

R 1/8 BSP tap

Rp 1/8 BSP

41

29

13

100-157

5TB-2-2L45

R 1/8 BSP tap

Rp 1/8 BSP

45

33

13

100-154

5TB-2-2L50

R 1/8 BSP tap

Rp 1/8 BSP

50

38

13

100-153

5TMC-2-10L20

R 1/4 BSP tap

M 10x1

20

9

17

100-144

5TB-4-2L20

R 1/4 BSP tap

Rp 1/8 BSP

20

9

17

100-147

5TB-2-4L22

R 1/8 BSP tap

Rp 1/4 BSP

22

8

17

100-162

5TB-4-6L27

R 1/4 BSP tap

Rp 3/8 BSP

27

11

22

100-160

5TB-4-4L25

R 1/4 BSP tap

Rp 1/4 BSP

25

9

19

100-161

5TB-4-4L50

R 1/4 BSP tap

Rp 1/4 BSP

50

36

17

2510-210

5TB-4-4L65

R 1/4 BSP tap

Rp 1/4 BSP

65

51

17

2510-209

5TB-4-4L85

R 1/4 BSP tap

Rp 1/4 BSP

85

71

17

100-186

5TB-4-4L104

R 1/4 BSP tap

Rp 1/4 BSP

104

90

17

100-187

Product Line Performance Advantages

  • Premium Material Construction: Fabricated in zinc-nickel plated carbon steel, brass, or marine-grade 316 stainless steel to eliminate rusting and withstand aggressive washdown chemicals.

  • Universal Conversion Formats: Instantly adapt cross-thread variations including Metric Taper (M6 to M10), BSPP, NPT, and JIC standards across all automated lubrication machinery lines.

  • Deep-Access Relocation: Straight and elbow extension pieces bridge long, hazardous, or heavily obstructed paths to safely reposition grease points onto accessible exterior frames.

  • Rugged Vibration Immunity: Manufactured strictly to SAE J514 and ISO 8434 standards to keep high-pressure lines secure on heavy construction machinery, wind turbines, and high-speed CNC manufacturing centers.

Exact System Compatibility Specs

Our heavy-duty central lubrication fitting inventory includes:

  • Reducing Sockets: Transitions larger distribution block outlet threads cleanly down to smaller polyamide or steel lines.

  • Connection Extensions: Available in standard thread configurations from 25mm up to 150mm in length to guarantee a perfect physical fit.

  • System Integration: Fully optimized for seamless deployment alongside industry-standard centralized system tubes, high-pressure flexible hoses, and manual grease nipples.

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ABOUT FITSCH

Fitsch has been in the business of hydraulic tube fittings, hydraulic adapters, hose fittings, hydraulic flanges, industrial fittings and hydraulic accessories for over 20 years, offering all our customer competitive products and supplies from our local industry manufacturers union.    
 

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   No.133-3 Anjiexi Road, Sanqishi Town, Yuyao 315412, China
   +86-13777243045
   info@fitsch.cn

 
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