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JBF National's tapped ball knobs are made from the highest quality brass, steel and stainless steel. Finished to a high polish, these ball knobs ensure continued operator grip comfort, and aesthetically pleasing looks.
Aluminum Tapped Ball Knobs
<!-Tapped Ball Knobs - 2->
Unit of Measure
1 

Item #

Knob Diameter (A)

Thread Depth (B)

Thread Size

Drawings

1BKST-1132 N/A 3/4 in N/A 3/8 in N/A 10-24

1BKST-1133 N/A 3/4 in N/A 3/8 in N/A 10-32

2BKST-1134 N/A 1 in N/A 3/8 in N/A 10-24

2BKST-1135 N/A 1 in N/A 3/8 in N/A 10-32

2BKST-1136 N/A 1 in N/A 1/2 in N/A 1/4-20

2BKST-1137 N/A 1 in N/A 1/2 in N/A 1/4-28

2BKST-1138 N/A 1 in N/A 1/2 in N/A 5/16-18

2BKST-1139 N/A 1 in N/A 1/2 in N/A 5/16-24

2BKST-1140 N/A 1 in N/A 1/2 in N/A 3/8-16

3BKST-1141 N/A 1-3/8 in N/A 5/8 in N/A 1/4-20

3BKST-1142 N/A 1-3/8 in N/A 5/8 in N/A 1/4-28

3BKST-1143 N/A 1-3/8 in N/A 5/8 in N/A 5/16-18

3BKST-1144 N/A 1-3/8 in N/A 5/8 in N/A 5/16-24

3BKST-1145 N/A 1-3/8 in N/A 5/8 in N/A 3/8-16

3BKST-1146 N/A 1-3/8 in N/A 5/8 in N/A 3/8-24

3BKST-1147 N/A 1-3/8 in N/A 5/8 in N/A 7/16-20

3BKST-1148 N/A 1-3/8 in N/A 5/8 in N/A 1/2-13

3BKST-1149 N/A 1-3/8 in N/A 5/8 in N/A 1/2-20

4BKST-1150 N/A 1-7/8 in N/A 3/4 in N/A 3/8-16

4BKST-1151 N/A 1-7/8 in N/A 3/4 in N/A 3/8-24

4BKST-1152 N/A 1-7/8 in N/A 3/4 in N/A 1/2-13

4BKST-1153 N/A 1-7/8 in N/A 3/4 in N/A 1/2-20

4BKST-1154 N/A 1-7/8 in N/A 3/4 in N/A 5/8-11

4BKST-1155 N/A 1-7/8 in N/A 3/4 in N/A 5/8-18

Unit of Measure
1