Dunham Rubber & Belting Corporation
Dunham Rubber & Belting Corporation
682 Commerce Parkway West Drive, Greenwood, IN 46143
Toll Free: 800.876.5340
Tel: 317.888.3002
Fax: 317.888.2335
Email: mail@dunhamrubber.com
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HK 1-8 PLUG
Unit of Measure
1 

Item #

Item Name

Body Size

ISO Size

Thread Size NPTF

Thread Size BSPP

Thread Size SAE

Dim. C

Dim.- D

Dim.- E

Dim. - Hex

1K11 N/A 1K11 N/A 1/8 Inch N/A 5 mm N/A 1/8-27 N/A N/A N/A 1.26 in32 mm N/A 0.65 inches16.5 mm N/A 0.44 inches11.2 mm N/A 0.56 inches14.2 mm
1K4 N/A 1K4 N/A 0 1/8 Inch N/A 5 mm N/A N/A N/A 7/16-20 N/A 1.41 in35.8 mm N/A 0.79 inches20.1 mm N/A 0.59 inches15 mm N/A 0.69 inches17.5 mm
2K16 N/A 2K16 N/A 0 1/4 Inch N/A 6.3 mm N/A 1/4-18 N/A N/A N/A 1.52 in38.6 mm N/A 0.87 inches22.1 mm N/A 0.56 inches14.2 mm N/A 0.75 inches19.1 mm
2K16BS N/A 2K16BS N/A 0 1/4 Inch N/A 6.3 mm N/A N/A 1/4-19 N/A N/A 1.52 in38.6 mm N/A 0.87 inches22.1 mm N/A 0.56 inches14.2 mm N/A 0.75 inches19.1 mm
2K6 N/A 2K6 N/A 0 1/4 Inch N/A 6.3 mm N/A N/A N/A 9/16-18 N/A 1.66 in42.2 mm N/A 1.01 inches25.7 mm N/A 0.7 inches17.8 mm N/A 0.88 inches22.4 mm
3K21 N/A 3K21 N/A 0 3/8 Inch N/A 10 mm N/A 3/8-18 N/A N/A N/A 1.76 in44.7 mm N/A 1.01 inches25.7 mm N/A 0.61 inches15.5 mm N/A 0.88 inches22.4 mm
3K21BS N/A 3K21BS N/A 0 3/8 Inch N/A 10 mm N/A N/A 3/8-19 N/A N/A 1.76 in44.7 mm N/A 1.01 inches25.7 mm N/A 0.61 inches15.5 mm N/A 0.88 inches22.4 mm
3K8 N/A 3K8 N/A 0 3/8 Inch N/A 10 mm N/A N/A N/A 3/4-16 N/A 1.94 in49.3 mm N/A 1.15 inches29.2 mm N/A 0.79 inches20.1 mm N/A 1.00 inches25.4 mm
4KP26 N/A 4KP26 N/A 0 1/2 Inch N/A 12.5 mm N/A 1/2-14 N/A N/A N/A 2.03 in51.6 mm N/A 1.3 inches33 mm N/A 0.76 inches19.3 mm N/A 1.13 inches28.7 mm
4KP26BS N/A 4KP26BS N/A 0 1/2 Inch N/A 12.5 mm N/A N/A 1/2-14 N/A N/A 2.03 in51.6 mm N/A 1.3 inches33 mm N/A 0.76 inches19.3 mm N/A 1.13 inches28.7 mm
4KP10 N/A 4KP10 N/A 0 1/2 Inch N/A 12.5 mm N/A N/A N/A 7/8-14 N/A 2.11 in53.6 mm N/A 1.37 inches34.8 mm N/A 84 inches21.3 mm N/A 1.19 inches30.2 mm
6KP31 N/A 6KP31 N/A 0 3/4 Inch N/A 20 mm N/A 3/4-14 N/A N/A N/A 2.36 in59.9 mm N/A 1.52 inches38.6 mm N/A 0.71 inches18 mm N/A 1.31 inches33.3 mm
6KP31BS N/A 6KP31BS N/A 0 3/4 Inch N/A 20 mm N/A N/A 3/4-14 N/A N/A 2.36 in59.9 mm N/A 1.52 inches38.6 mm N/A 0.71 inches18 mm N/A 1.31 inches33.3 mm
6KP12 N/A 6KP12 N/A 0 3/4 Inch N/A 20 mm N/A N/A N/A 1 1/16-12 N/A 2.54 in64.5 mm N/A 1.59 inches40.4 mm N/A 0.89 inches22.6 mm N/A 1.38 inches35.1 mm
8KP36 N/A 8KP36 N/A 1 Inch N/A 25 mm N/A 1-11 1/2 N/A N/A N/A 2.85 in72.4 mm N/A 1.88 inches47.8 mm N/A 0.97 inches24.6 mm N/A 1.63 inches41.4 mm
8KP36BS N/A 8KP36BS N/A 1 Inch N/A 25 mm N/A N/A 1-11 N/A N/A 2.85 in72.4 mm N/A 1.88 inches47.8 mm N/A 0.97 inches24.6 mm N/A 1.63 inches41.4 mm
8KP16 N/A 8KP16 N/A 1 Inch N/A 25 mm N/A N/A N/A 1 5/16-12 N/A 2.85 in72.4 mm N/A 2.17 inches55.1 mm N/A 0.97 inches24.6 mm N/A 1.88 inches47.8 mm
Unit of Measure
1