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Serrated Washer

Material : Steel  316L grade and also available in mild steel
Size : From M16 to M90 , ½" to 3" NPT sizes
Standard : DIN 6798
Features: 1. Used for high vibration resistance due to               positive equipment contact.
2. Excellent pretensioning
3. Through proper radius selection,no                 Splitting/cracking occurs during tightening.
4. Extensive application ,flexibility and                minimize         stocks.

Serrated washer also known as “Vibration Proof Washers”. Serrated washers have the unique feature of serrations on internal surfaces. When final flattening of the safety washer occurs with tightening of the screw, these serrations bite into the mating faces, thus preventing loosening of the screw, nut, bolt, etc due to vibration. Serrated washers are ready to fit washer to sustain preload and avoid loosening. Due to above feature of serrated washer are also used in cable gland accessories. Serrated Washers fitted internally to the equipment and before a lock nut act as an anti-vibration device to prevent the cable gland or other cable entry device and lock nut. Particularly required in situation where vibrating heavy machinery such as mud, shakers, vibrating machine or pump, drilling.

Cable
Size
A
B
C
D
No. Of Serrations
Serration Stand-Off
CSW-16
M 16
25.50
1.40
16.40
21.00
16.00
1.25
CSW-20
M 20
32.50
1.40
20.40
26.00
16.00
1.25
CSW-25
M 25
40.00
1.40
25.40
33.50
16.00
1.25
CSW-32
M 32

43.50
1.40
32.40
38.50
18.00
1.25
CSW-40
M 40
64.50
1.40
40.40
53.00
20.00
1.25
CSW-50
M 50
80.00
1.40
50.40
67.00
30.00
1.25
CSW-63
M 63
100.00
1.60
63.40
76.00
28.00
1.25
CSW-75
M 75
112.00
1.60
75.40
90.00
28.00
1.25
CSW-90
M 90
135.00
1.60
90.40
110.00
36.00
1.25
CSW-100
M 100
145.00
1.60
100.40
125.00
32.00
1.25
CSW-115
M 115
159.00
1.60
115.40
139.00
36.00
1.25
CSW-130
M 130
185.00
1.40
130.40
156.00
40.00
1.25
CSW-012
½”NPT
32.50
1.40
22.00
26.00
16.00
1.25
CSW-034
¾”NPT
40.00
1.40
27.40
33.50
16.00
1.25
CSW-010
1"NPT
43.50
1.40
34.10
38.50
16.00
1.25
CSW-114
1¼”NPT
64.50
1.40
42.90
53.00
20.00
1.25
CSW-112
1½”NPT
80.00
1.40
49.00
67.00
30.00
1.25
CSW-200
2"NPT
100.00
1.40
61.00
76.00
28.00
1.25
CSW-212
2½”NPT
112.00
1.40
73.80
90.00
28.00
1.25
CSW-300
3"NPT
135.00
1.60
89.60
110.00
36.00
1.25
CSW-312
3½”NPT
145.00
1.60
102.30
125.00
32.00
1.25
CSW-400
4"NPT
159.00
1.60
115.00
139.00
36.00
1.25
CSW-500
5"NPT
185.00
1.60
142.00
165.00
40.00
1.25

* Gland body with long nipple length also available | Tolerance + 1mm

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