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JBF National's knurled knob locking nose retractable plunger comes available in steel, 303 stainless steel, 316 stainless steel, and brass. A simple 90 degree twist engages the locking element, thereby holding the plunger in the retracted position until disengaged by a reverse twist, and the knurled rim allows for maximum grip regardless of grip situation. This retractable plunger (also known as an indexing plunger) also features a nylon thread coating to ensure ultimate thread locking in heavy vibration situations.
Knurled Knob Locking Nose Retractable Plungers with Nylon Patch
<!-Knurled Knob Locking Nose Retractable Plungers with Nylon Patch - 2->
Unit of Measure
1 

Item #

Thread Size (A)

Thread Length (B)

Nose Length (C)

Nose Diameter (D)

Knob Diameter (E)

Knob Hub Lenth (F)

Knurled Width (G)

Drawings

1KLN-1012 N/A 10-32 N/A 0.40 in N/A 0.09 in N/A 0.104 in N/A 3/8 in N/A 1/4 in N/A 3/16 in

1KLN-1013 N/A 1/4-20 N/A 0.50 in N/A 0.13 in N/A 0.123 in N/A 1/2 in N/A 5/16 in N/A 3/16 in

1KLN-1014 N/A 5/16-18 N/A 0.63 in N/A 0.19 in N/A 0.154 in N/A 5/8 in N/A 3/8 in N/A 1/4 in

1KLN-1015 N/A 3/8-16 N/A 0.75 in N/A 0.22 in N/A 0.185 in N/A 3/4 in N/A 1/2 in N/A 5/16 in

1KLN-1016 N/A 1/2-13 N/A 0.88 in N/A 0.25 in N/A 0.248 in N/A 1 in N/A 5/8 in N/A 3/8 in

1KLN-1017 N/A 5/8-11 N/A 1.00 in N/A 0.32 in N/A 0.312 in N/A 1-1/4 in N/A 3/4 in N/A 7/16 in

1KLN-1012SS N/A 10-32 N/A 0.40 in N/A 0.09 in N/A 0.104 in N/A 3/8 in N/A 1/4 in N/A 3/16 in

1KLN-1013SS N/A 1/4-20 N/A 0.50 in N/A 0.13 in N/A 0.123 in N/A 1/2 in N/A 5/16 in N/A 3/16 in

1KLN-1014SS N/A 5/16-18 N/A 0.63 in N/A 0.19 in N/A 0.154 in N/A 5/8 in N/A 3/8 in N/A 1/4 in

1KLN-1015SS N/A 3/8-16 N/A 0.75 in N/A 0.22 in N/A 0.185 in N/A 3/4 in N/A 1/2 in N/A 5/16 in

1KLN-1016SS N/A 1/2-13 N/A 0.88 in N/A 0.25 in N/A 0.248 in N/A 1 in N/A 5/8 in N/A 3/8 in

1KLN-1017SS N/A 5/8-11 N/A 1.00 in N/A 0.32 in N/A 0.312 in N/A 1-1/4 in N/A 3/4 in N/A 7/16 in

1KLN-1012-316 N/A 10-32 N/A 0.40 in N/A 0.09 in N/A 0.104 in N/A 3/8 in N/A 1/4 in N/A 3/16 in

1KLN-1013-316 N/A 1/4-20 N/A 0.50 in N/A 0.13 in N/A 0.123 in N/A 1/2 in N/A 5/16 in N/A 3/16 in

1KLN-1014-316 N/A 5/16-18 N/A 0.63 in N/A 0.19 in N/A 0.154 in N/A 5/8 in N/A 3/8 in N/A 1/4 in

1KLN-1015-316 N/A 3/8-16 N/A 0.75 in N/A 0.22 in N/A 0.185 in N/A 3/4 in N/A 1/2 in N/A 5/16 in

1KLN-1016-316 N/A 1/2-13 N/A 0.88 in N/A 0.25 in N/A 0.248 in N/A 1 in N/A 5/8 in N/A 3/8 in

1KLN-1017-316 N/A 5/8-11 N/A 1.00 in N/A 0.32 in N/A 0.312 in N/A 1-1/4 in N/A 3/4 in N/A 7/16 in

1BLKN-1012 N/A 10-32 N/A 0.40 in N/A 0.09 in N/A 0.104 in N/A 3/8 in N/A 1/4 in N/A 3/16 in

1BLKN-1013 N/A 1/4-20 N/A 0.50 in N/A 0.13 in N/A 0.123 in N/A 1/2 in N/A 5/16 in N/A 3/16 in

1BLKN-1014 N/A 5/16-18 N/A 0.63 in N/A 0.19 in N/A 0.154 in N/A 5/8 in N/A 3/8 in N/A 1/4 in

1BLKN-1015 N/A 3/8-16 N/A 0.75 in N/A 0.22 in N/A 0.185 in N/A 3/4 in N/A 1/2 in N/A 5/16 in

1BLKN-1016 N/A 1/2-13 N/A 0.88 in N/A 0.25 in N/A 0.248 in N/A 1 in N/A 5/8 in N/A 3/8 in

1BLKN-1017 N/A 5/8-11 N/A 1.00 in N/A 0.32 in N/A 0.312 in N/A 1-1/4 in N/A 3/4 in N/A 7/16 in

Unit of Measure
1