Ball Knobs - Tapped
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. Please see component diagram below.
Aluminum Tapped
| JBF National Aluminum Part Number | Thread Size | Knob Dia (A) | Thread Depth (B) | Ship Wt (lbs) |
|---|---|---|---|---|
| 1BKAT-1060 | 10-24 | 3/4 | 3/8 | 0.02 |
| 1BKAT-1061 | 10-32 | 3/4 | 3/8 | 0.02 |
| 2BKAT-1062 | 10-24 | 1 | 3/8 | 0.04 |
| 2BKAT-1063 | 10-32 | 1 | 3/8 | 0.04 |
| 2BKAT-1064 | 1/4-20 | 1 | 1/2 | 0.04 |
| 2BKAT-1065 | 1/4-28 | 1 | 1/2 | 0.04 |
| 2BKAT-1066 | 5/16-18 | 1 | 1/2 | 0.04 |
| 2BKAT-1067 | 5/16-24 | 1 | 1/2 | 0.04 |
| 2BKAT-1068 | 3/8-16 | 1 | 1/2 | 0.04 |
| 3BKAT-1069 | 1/4-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1070 | 1/4-28 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1071 | 5/16-18 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1072 | 5/16-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1073 | 3/8-16 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1074 | 3/8-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1075 | 7/16-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1076 | 1/2-13 | 1 3/8 | 5/8 | 0.10 |
| 3BKAT-1077 | 1/2-20 | 1 3/8 | 5/8 | 0.10 |
| 4BKAT-1078 | 3/8-16 | 1 7/8 | 3/4 | 0.10 |
| 4BKAT-1079 | 3/8-24 | 1 7/8 | 3/4 | 0.32 |
| 4BKAT-1080 | 1/2-13 | 1 7/8 | 3/4 | 0.32 |
| 4BKAT-1081 | 1/2-20 | 1 7/8 | 3/4 | 0.32 |
| 4BKAT-1082 | 5/8-11 | 1 7/8 | 3/4 | 0.32 |
| 4BKAT-1083 | 5/8-18 | 1 7/8 | 3/4 | 0.32 |
Brass Tapped
| JBF National Brass Part Number | Thread Size | Knob Dia (A) | Thread Depth (B) | Ship Wt (lbs) |
|---|---|---|---|---|
| 1BKBT-1084 | 10-24 | 3/4 | 3/8 | 0.02 |
| 1BKBT-1085 | 10-32 | 3/4 | 3/8 | 0.02 |
| 2BKBT-1086 | 10-24 | 1 | 3/8 | 0.04 |
| 2BKBT-1087 | 10-32 | 1 | 3/8 | 0.04 |
| 2BKBT-1088 | 1/4-20 | 1 | 1/2 | 0.04 |
| 2BKBT-1089 | 1/4-28 | 1 | 1/2 | 0.04 |
| 2BKBT-1090 | 5/16-18 | 1 | 1/2 | 0.04 |
| 2BKBT-1091 | 5/16-24 | 1 | 1/2 | 0.04 |
| 2BKBT-1092 | 3/8-16 | 1 | 1/2 | 0.04 |
| 3BKBT-1093 | 1/4-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1094 | 1/4-28 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1095 | 5/16-18 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1096 | 5/16-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1097 | 3/8-16 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1098 | 3/8-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1099 | 7/16-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1100 | 1/2-13 | 1 3/8 | 5/8 | 0.10 |
| 3BKBT-1101 | 1/2-20 | 1 3/8 | 5/8 | 0.10 |
| 4BKBT-1102 | 3/8-16 | 1 7/8 | 3/4 | 0.10 |
| 4BKBT-1103 | 3/8-24 | 1 7/8 | 3/4 | 0.32 |
| 4BKBT-1104 | 1/2-13 | 1 7/8 | 3/4 | 0.32 |
| 4BKBT-1105 | 1/2-20 | 1 7/8 | 3/4 | 0.32 |
| 4BKBT-1106 | 5/8-11 | 1 7/8 | 3/4 | 0.32 |
| 4BKBT-1107 | 5/8-18 | 1 7/8 | 3/4 | 0.32 |
Steel Tapped
| JBF National Steel Part Number | Thread Size | Knob Dia (A) | Thread Depth (B) | Ship Wt (lbs) |
|---|---|---|---|---|
| 1BKST-1132 | 10-24 | 3/4 | 3/8 | 0.02 |
| 1BKST-1133 | 10-32 | 3/4 | 3/8 | 0.02 |
| 2BKST-1134 | 10-24 | 1 | 3/8 | 0.04 |
| 2BKST-1135 | 10-32 | 1 | 3/8 | 0.04 |
| 2BKST-1136 | 1/4-20 | 1 | 1/2 | 0.04 |
| 2BKST-1137 | 1/4-28 | 1 | 1/2 | 0.04 |
| 2BKST-1138 | 5/16-18 | 1 | 1/2 | 0.04 |
| 2BKST-1139 | 5/16-24 | 1 | 1/2 | 0.04 |
| 2BKST-1140 | 3/8-16 | 1 | 1/2 | 0.04 |
| 3BKST-1141 | 1/4-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1142 | 1/4-28 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1143 | 5/16-18 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1144 | 5/16-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1145 | 3/8-16 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1146 | 3/8-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1147 | 7/16-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1148 | 1/2-13 | 1 3/8 | 5/8 | 0.10 |
| 3BKST-1149 | 1/2-20 | 1 3/8 | 5/8 | 0.10 |
| 4BKST-1150 | 3/8-16 | 1 7/8 | 3/4 | 0.10 |
| 4BKST-1151 | 3/8-24 | 1 7/8 | 3/4 | 0.32 |
| 4BKST-1152 | 1/2-13 | 1 7/8 | 3/4 | 0.32 |
| 4BKST-1153 | 1/2-20 | 1 7/8 | 3/4 | 0.32 |
| 4BKST-1154 | 5/8-11 | 1 7/8 | 3/4 | 0.32 |
| 4BKST-1155 | 5/8-18 | 1 7/8 | 3/4 | 0.32 |
Stainless Steel Tapped
| JBF National Stainless Steel Part Number | Thread Size | Knob Dia (A) | Thread Depth (B) | Ship Wt (lbs) |
|---|---|---|---|---|
| 1BKT-1108SS | 10-24 | 3/4 | 3/8 | 0.02 |
| 1BKT-1109SS | 10-32 | 3/4 | 3/8 | 0.02 |
| 2BKT-1110SS | 10-24 | 1 | 3/8 | 0.04 |
| 2BKT-1111SS | 10-32 | 1 | 3/8 | 0.04 |
| 2BKT-1112SS | 1/4-20 | 1 | 1/2 | 0.04 |
| 2BKT-1113SS | 1/4-28 | 1 | 1/2 | 0.04 |
| 2BKT-1114SS | 5/16-18 | 1 | 1/2 | 0.04 |
| 2BKT-1115SS | 5/16-24 | 1 | 1/2 | 0.04 |
| 2BKT-1116SS | 3/8-16 | 1 | 1/2 | 0.04 |
| 3BKT-1117SS | 1/4-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1118SS | 1/4-28 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1119SS | 5/16-18 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1120SS | 5/16-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1121SS | 3/8-16 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1122SS | 3/8-24 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1123SS | 7/16-20 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1124SS | 1/2-13 | 1 3/8 | 5/8 | 0.10 |
| 3BKT-1125SS | 1/2-20 | 1 3/8 | 5/8 | 0.10 |
| 4BKT-1126SS | 3/8-16 | 1 7/8 | 3/4 | 0.10 |
| 4BKT-1127SS | 3/8-24 | 1 7/8 | 3/4 | 0.32 |
| 4BKT-1128SS | 1/2-13 | 1 7/8 | 3/4 | 0.32 |
| 4BKT-1129SS | 1/2-20 | 1 7/8 | 3/4 | 0.32 |
| 4BKT-1130SS | 5/8-11 | 1 7/8 | 3/4 | 0.32 |
| 4BKT-1131SS | 5/8-18 | 1 7/8 | 3/4 | 0.32 |