JBF National's knurled control knobs are manufactured from the highest quality steel and stainless steel. This control knob features a knurled rim that provides positive hand grip to make quick adjustments even with the oiliest or wettest of hands. This model comes tapped in a wide variety of inch and metric thread sizes.
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Knob Diameter (A) (in)

Thread Size

Total Length (B) (in)

Hub Diameter (C) (in)

Knurled Width (D) (in)

Thread Depth (E) (in)

Item #

Knob Diameter (A)

Total Length (B)

Hub Diameter (C)

Knurled Width (D)

Thread Depth (E)

Drawings

N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 3/4 in N/A 5/8 in N/A 1/2 in N/A 1/4 in N/A 3/8 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1 in N/A 3/4 in N/A 5/8 in N/A 1/4 in N/A 1/2 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 1-1/2 in N/A 1 in N/A 3/4 in N/A 5/16 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2 in N/A 1-1/8 in N/A 1 in N/A 3/8 in N/A 5/8 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 2-1/2 in N/A 1-1/2 in N/A 1.50 in N/A 9/16 in N/A 3/4 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
N/A 3 in N/A 1-3/4 in N/A 1-3/4 in N/A 5/8 in N/A 1 in
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