JBF National's knurled control knobs are manufactured from the highest quality aluminum and stainless steel. The knurled rim provides positive hand grip and makes adjustments quick and simple in even with the oiliest or wettest of hands. Aluminum and stainless versions available.
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Reamed Diameter (in)

Knob Diameter (A) (in)

Total Length (B) (in)

Hub Diameter (C) (in)

Knurled Width (D) (in)

Hole Depth (E) (in)

Item #

Reamed Diameter

Knob Diameter (A)

Total Length (B)

Hub Diameter (C)

Knurled Width (D)

Hole Depth (E)

Drawings

N/A 1/4 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A

N/A 1/4-20 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 1/4-28 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 5/16-18 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 5/16-24 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 3/8 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A

N/A 3/8-16 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 3/8-24 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 1/2-13 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 1/2-20 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 5/8 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A

N/A 5/8-11 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 5/8-18 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 3/4-20 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 3/4-16 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 1/4 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A

N/A 1/4-20 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 1/4-28 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 5/16-18 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 5/16-24 in N/A 1 in N/A 13/16 in N/A 1/2 in N/A 3/8 in N/A 5/8 in

N/A 3/8 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A

N/A 3/8-16 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 3/8-24 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 1/2-13 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 1/2-20 in N/A 2 in N/A 1-1/8 in N/A 13/16 in N/A 9/16 in N/A 7/8 in

N/A 5/8 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A

N/A 5/8-11 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 5/8-18 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 3/4-20 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

N/A 3/4-16 in N/A 3 in N/A 1-1/4 in N/A 1-1/4 in N/A 11/16 in N/A 7/8 in

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