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ProteC CaPtoP® EP 505

Threaded caps - Flanged - With sealing disk


CaPtoP® EP 505

Threaded caps - Flanged - With sealing disk


YOUR CAPTOP® ADVANTAGE:   Best Price in the Market

Used throughout the automotive, fluid power and engineering Industries.

Produced in hard polyethylene and designed with an easy to grip head for ease of hand installation.

Internal neoprene rubber sealing disk to limit fluid leakage

These Threaded End Caps are recommended to cover thread sizes and styles for both the high pressure and the low pressure sides of metric, Whitworth and UNF thread types.

Std. Color: yellow
Material: HD-PE, high density polyethylene

PROTEC CAPTOP EP 505
Thread D L H Reference No. Bookmark
  Pipe Thread DIN ISO 6149-1
G   .1/4" 18.0 12.0 13.5 EP 505 - G   .1/4"
G   .3/8" 21.0 11.2 13.5 EP 505 - G   .3/8"
G   .1/2" 25.4 13.0 15.5 EP 505 - G   .1/2"
G   .5/8" 28.0 14.0 15.5 EP 505 - G   .5/8"
G   .3/4" 32.0 14.0 16.0 EP 505 - G   .3/4"
G 1." 39.4 12.9 16.0 EP 505 - G 1."
G 1.1/4" 47.7 17.7 19.7 EP 505 - G 1.1/4"
G 1.1/2" 56.0 17.0 19.0 EP 505 - G 1.1/2"
G 2." 68.0 17.5 20.0 EP 505 - G 2."
  Metric DIN 3852-1
M 10 x 1 14.0   8.0   9.0 EP 505 - M 10 x 1
M 12 x 1.5 16.0 12.0 13.5 EP 505 - M 12 x 1.5
M 14 x 1.5 18.0 10.9 13.4 EP 505 - M 14 x 1.5
M 16 x 1.5 20.9 10.6 13.0 EP 505 - M 16 x 1.5
M 18 x 1.5 22.0 12.0 13.2 EP 505 - M 18 x 1.5
M 20 x 1.5 25.0 14.0 15.5 EP 505 - M 20 x 1.5
M 22 x 1.5 28.0 14.0 15.5 EP 505 - M 22 x 1.5
M 24 x 1.5 30.0 13.7 15.2 EP 505 - M 24 x 1.5
M 26 x 1.5 34.0 11.0 13.0 EP 505 - M 26 x 1.5
M 30 x 2 38.0 13.7 16.0 EP 505 - M 30 x 2
M 36 x 2 44.0 17.0 18.6 EP 505 - M 36 x 2
M 42 x 2 50.0 15.0 17.0 EP 505 - M 42 x 2
M 45 x 2 53.2 13.7 16.5 EP 505 - M 45 x 2
M 52 x 2 60.0 15.0 17.0 EP 505 - M 52 x 2
  UNF - UN / ISO 11926
     .  7/16" -20 UNF 15.0 12.0 13.5 EP 505 -   .  7/16"- 20 UNF
     .  1/  2" -20 UNF 18.0 15.0 16.5 EP 505 -   .  1/  2"- 20 UNF
     .  9/16" -18 UNF 18.0 12.0 13.5 EP 505 -   .  9/16"- 18 UNF
     .  5/  8" -18 UNF 19.3 14.2 15.0 EP 505 -   .  5/  8"- 18 UNF
     .  3/  4" -16 UNF 24.0 18.0 19.5 EP 505 -   .  3/  4"- 16 UNF
     .  7/  8" -14 UNF 27.0 20.0 21.5 EP 505 -   .  7/  8" -14 UNF
   1.  1/16"-12 UN 34.0 23.0 25.0 EP 505 - 1.  1/16"-12 UN
   1.  5/16"-12 UN 40.0 24.0 26.0 EP 505 - 1.  5/16"-12 UN
   1.  5/  8"-12 UN 50.0 17.0 19.0 EP 505 - 1.  5/ 8"-12 UN
   1.  7/  8"-12 UN 55.0 18.0 20.0 EP 505 - 1.  7/ 8"-12 UN
Thread D L H Reference No.
  Pipe Thread DIN ISO 6149-1
G   .1/4" 18.0 12.0 13.5 EP 505 - G   .1/4"
G   .3/8" 21.0 11.2 13.5 EP 505 - G   .3/8"
G   .1/2" 25.4 13.0 15.5 EP 505 - G   .1/2"
G   .5/8" 28.0 14.0 15.5 EP 505 - G   .5/8"
G   .3/4" 32.0 14.0 16.0 EP 505 - G   .3/4"
G 1." 39.4 12.9 16.0 EP 505 - G 1."
G 1.1/4" 47.7 17.7 19.7 EP 505 - G 1.1/4"
G 1.1/2" 56.0 17.0 19.0 EP 505 - G 1.1/2"
G 2." 68.0 17.5 20.0 EP 505 - G 2."
  Metric DIN 3852-1
M 10 x 1 14.0   8.0   9.0 EP 505 - M 10 x 1
M 12 x 1.5 16.0 12.0 13.5 EP 505 - M 12 x 1.5
M 14 x 1.5 18.0 10.9 13.4 EP 505 - M 14 x 1.5
M 16 x 1.5 20.9 10.6 13.0 EP 505 - M 16 x 1.5
M 18 x 1.5 22.0 12.0 13.2 EP 505 - M 18 x 1.5
M 20 x 1.5 25.0 14.0 15.5 EP 505 - M 20 x 1.5
M 22 x 1.5 28.0 14.0 15.5 EP 505 - M 22 x 1.5
M 24 x 1.5 30.0 13.7 15.2 EP 505 - M 24 x 1.5
M 26 x 1.5 34.0 11.0 13.0 EP 505 - M 26 x 1.5
M 30 x 2 38.0 13.7 16.0 EP 505 - M 30 x 2
M 36 x 2 44.0 17.0 18.6 EP 505 - M 36 x 2
M 42 x 2 50.0 15.0 17.0 EP 505 - M 42 x 2
M 45 x 2 53.2 13.7 16.5 EP 505 - M 45 x 2
M 52 x 2 60.0 15.0 17.0 EP 505 - M 52 x 2
  UNF - UN / ISO 11926
     .  7/16" -20 UNF 15.0 12.0 13.5 EP 505 -   .  7/16"- 20 UNF
     .  1/  2" -20 UNF 18.0 15.0 16.5 EP 505 -   .  1/  2"- 20 UNF
     .  9/16" -18 UNF 18.0 12.0 13.5 EP 505 -   .  9/16"- 18 UNF
     .  5/  8" -18 UNF 19.3 14.2 15.0 EP 505 -   .  5/  8"- 18 UNF
     .  3/  4" -16 UNF 24.0 18.0 19.5 EP 505 -   .  3/  4"- 16 UNF
     .  7/  8" -14 UNF 27.0 20.0 21.5 EP 505 -   .  7/  8" -14 UNF
   1.  1/16"-12 UN 34.0 23.0 25.0 EP 505 - 1.  1/16"-12 UN
   1.  5/16"-12 UN 40.0 24.0 26.0 EP 505 - 1.  5/16"-12 UN
   1.  5/  8"-12 UN 50.0 17.0 19.0 EP 505 - 1.  5/ 8"-12 UN
   1.  7/  8"-12 UN 55.0 18.0 20.0 EP 505 - 1.  7/ 8"-12 UN
  Pipe Thread DIN ISO 6149-1
Thread
G   .1/4"

D
18.0

L
12.0

H
13.5

Reference No.
EP 505 - G   .1/4"

Thread
G   .3/8"

D
21.0

L
11.2

H
13.5

Reference No.
EP 505 - G   .3/8"

Thread
G   .1/2"

D
25.4

L
13.0

H
15.5

Reference No.
EP 505 - G   .1/2"

Thread
G   .5/8"

D
28.0

L
14.0

H
15.5

Reference No.
EP 505 - G   .5/8"

Thread
G   .3/4"

D
32.0

L
14.0

H
16.0

Reference No.
EP 505 - G   .3/4"

Thread
G 1."

D
39.4

L
12.9

H
16.0

Reference No.
EP 505 - G 1."

Thread
G 1.1/4"

D
47.7

L
17.7

H
19.7

Reference No.
EP 505 - G 1.1/4"

Thread
G 1.1/2"

D
56.0

L
17.0

H
19.0

Reference No.
EP 505 - G 1.1/2"

Thread
G 2."

D
68.0

L
17.5

H
20.0

Reference No.
EP 505 - G 2."

  Metric DIN 3852-1
Thread
M 10 x 1

D
14.0

L
  8.0

H
  9.0

Reference No.
EP 505 - M 10 x 1

Thread
M 12 x 1.5

D
16.0

L
12.0

H
13.5

Reference No.
EP 505 - M 12 x 1.5

Thread
M 14 x 1.5

D
18.0

L
10.9

H
13.4

Reference No.
EP 505 - M 14 x 1.5

Thread
M 16 x 1.5

D
20.9

L
10.6

H
13.0

Reference No.
EP 505 - M 16 x 1.5

Thread
M 18 x 1.5

D
22.0

L
12.0

H
13.2

Reference No.
EP 505 - M 18 x 1.5

Thread
M 20 x 1.5

D
25.0

L
14.0

H
15.5

Reference No.
EP 505 - M 20 x 1.5

Thread
M 22 x 1.5

D
28.0

L
14.0

H
15.5

Reference No.
EP 505 - M 22 x 1.5

Thread
M 24 x 1.5

D
30.0

L
13.7

H
15.2

Reference No.
EP 505 - M 24 x 1.5

Thread
M 26 x 1.5

D
34.0

L
11.0

H
13.0

Reference No.
EP 505 - M 26 x 1.5

Thread
M 30 x 2

D
38.0

L
13.7

H
16.0

Reference No.
EP 505 - M 30 x 2

Thread
M 36 x 2

D
44.0

L
17.0

H
18.6

Reference No.
EP 505 - M 36 x 2

Thread
M 42 x 2

D
50.0

L
15.0

H
17.0

Reference No.
EP 505 - M 42 x 2

Thread
M 45 x 2

D
53.2

L
13.7

H
16.5

Reference No.
EP 505 - M 45 x 2

Thread
M 52 x 2

D
60.0

L
15.0

H
17.0

Reference No.
EP 505 - M 52 x 2

  UNF - UN / ISO 11926
Thread
     .  7/16" -20 UNF

D
15.0

L
12.0

H
13.5

Reference No.
EP 505 -   .  7/16"- 20 UNF

Thread
     .  1/  2" -20 UNF

D
18.0

L
15.0

H
16.5

Reference No.
EP 505 -   .  1/  2"- 20 UNF

Thread
     .  9/16" -18 UNF

D
18.0

L
12.0

H
13.5

Reference No.
EP 505 -   .  9/16"- 18 UNF

Thread
     .  5/  8" -18 UNF

D
19.3

L
14.2

H
15.0

Reference No.
EP 505 -   .  5/  8"- 18 UNF

Thread
     .  3/  4" -16 UNF

D
24.0

L
18.0

H
19.5

Reference No.
EP 505 -   .  3/  4"- 16 UNF

Thread
     .  7/  8" -14 UNF

D
27.0

L
20.0

H
21.5

Reference No.
EP 505 -   .  7/  8" -14 UNF

Thread
   1.  1/16"-12 UN

D
34.0

L
23.0

H
25.0

Reference No.
EP 505 - 1.  1/16"-12 UN

Thread
   1.  5/16"-12 UN

D
40.0

L
24.0

H
26.0

Reference No.
EP 505 - 1.  5/16"-12 UN

Thread
   1.  5/  8"-12 UN

D
50.0

L
17.0

H
19.0

Reference No.
EP 505 - 1.  5/ 8"-12 UN

Thread
   1.  7/  8"-12 UN

D
55.0

L
18.0

H
20.0

Reference No.
EP 505 - 1.  7/ 8"-12 UN

PROTEC products and specifications are subject to improvement and change without notice.

CAPTOP® EP 505 Individual Productions:
On request we develop and produce individually tailored solutions along with the standard items of this range: If you require additional dimensions, different materials and new colours. We would be pleased to assist you.

Delivery Service:
Orders that arrive before midday can be despatched on the same day, using either our standard service or via a faster service if required.

These Threaded End Caps effectively protect external threads on pipes and fittings. They are produced in hard polyethylene and designed with an easy to grip head for ease of hand installation.

On request we develop and produce individually tailored solutions along with the standard items of this range: If you require additional dimensions, different materials and new colours. We would be pleased to assist you.

Ask for free no-obligation samples and more information on our contact form.
We will promptly take care of your request and get in touch with you.
Please click here.


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PROTEC meets the most stringent demands of safety and operations reliability. International approvals and certifications such as UL, CSA, VDE, VDA 6.1 and DIN EN ISO 9001: 2015 demonstrate total quality commitment on superior level.

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