Print Back
JBF National's steel ball plungers make sure that all of your alignment and attachment needs are carried out with the utmost precision. This plunger features a screw driver slot for easy installation. Except for thread sizes 4-48 through 8-36, an optional nylon threading patch is available. Ball plungers are utilized across of wide variety of industries and products, including woodworking, medical and military applications. Contact a JBF National sales engineer today for further information. Add P" to part number for nylon patch"
Steel Ball Plungers
<!-Steel Ball Plungers - 2->
Unit of Measure
1 

Item #

Body Length (B)

Thread Size (A)

Nose Length (C)

Nose Diameter (D)

Start End Force

End End Force

Drawings

1BBPC-1023SN N/A 0.187 in N/A 4-48 N/A 0.020 in N/A 0.062 in N/A 0.125 lb N/A 0.50 lb

2BBPC-1024SN N/A 0.250 in N/A 5-40 N/A 0.020 in N/A 0.062 in N/A 0.250 lb N/A 0.75 lb

3BBPC-1025SN N/A 0.312 in N/A 6-40 N/A 0.023 in N/A 0.078 in N/A 0.500 lb N/A 1.00 lb

4BBPC-1026SN N/A 0.344 in N/A 8-32 N/A 0.025 in N/A 0.094 in N/A 0.500 lb N/A 1.25 lb

5BBPC-1027SN N/A 0.344 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 0.500 lb N/A 1.25 lb

5BBPC-1028SN N/A 0.513 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 1.500 lb N/A 3.00 lb

5BBPC-1029SN N/A 0.513 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 0.500 lb N/A 1.50 lb

5BBPC-1030SN N/A 0.513 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 2.000 lb N/A 5.00 lb

6BBPC-1031SN N/A 0.531 in N/A 1/4-20 N/A 0.035 in N/A 0.125 in N/A 3.000 lb N/A 7.00 lb

6BBPC-1032SN N/A 0.531 in N/A 1/4-20 N/A 0.035 in N/A 0.125 in N/A 2.000 lb N/A 4.00 lb

6BBPC-1033SN N/A 0.531 in N/A 1/4-20 N/A 0.035 in N/A 0.125 in N/A 4.000 lb N/A 12.0 lb

7BBPC-1034SN N/A 0.578 in N/A 5/16-18 N/A 0.040 in N/A 0.156 in N/A 4.000 lb N/A 9.00 lb

7BBPC-1035SN N/A 0.578 in N/A 5/16-18 N/A 0.040 in N/A 0.156 in N/A 2.000 lb N/A 4.50 lb

7BBPC-1036SN N/A 0.578 in N/A 5/16-18 N/A 0.040 in N/A 0.156 in N/A 6.000 lb N/A 17.0 lb

8BBPC-1037SN N/A 0.625 in N/A 3/8-16 N/A 0.048 in N/A 0.188 in N/A 5.000 lb N/A 10.0 lb

8BBPC-1038SN N/A 0.625 in N/A 3/8-16 N/A 0.048 in N/A 0.188 in N/A 2.500 lb N/A 5.00 lb

8BBPC-1039SN N/A 0.625 in N/A 3/8-16 N/A 0.048 in N/A 0.188 in N/A 6.000 lb N/A 21.0 lb

9BBPC-1040SN N/A 0.750 in N/A 1/2-13 N/A 0.072 in N/A 0.281 in N/A 6.000 lb N/A 12.0 lb

9BBPC-1041SN N/A 0.750 in N/A 1/2-13 N/A 0.072 in N/A 0.281 in N/A 3.000 lb N/A 6.00 lb

9BBPC-1042SN N/A 0.750 in N/A 1/2-13 N/A 0.072 in N/A 0.281 in N/A 6.000 lb N/A 30.0 lb

10BBPC-1043SN N/A 0.984 in N/A 5/8-11 N/A 0.096 in N/A 0.375 in N/A 9.000 lb N/A 18.0 lb

10BBPC-1044SN N/A 0.984 in N/A 5/8-11 N/A 0.096 in N/A 0.375 in N/A 4.500 lb N/A 9.00 lb

10BBPC-1045SN N/A 0.984 in N/A 5/8-11 N/A 0.096 in N/A 0.375 in N/A 7.000 lb N/A 50.0 lb

1BBPC-1023N N/A 0.187 in N/A 4-48 N/A 0.020 in N/A 0.062 in N/A 0.125 lb N/A 0.50 lb

2BBPC-1024N N/A 0.250 in N/A 5-40 N/A 0.020 in N/A 0.062 in N/A 0.250 lb N/A 0.75 lb

3BBPC-1025N N/A 0.312 in N/A 6-40 N/A 0.023 in N/A 0.078 in N/A 0.500 lb N/A 1.00 lb

4BBPC-1026N N/A 0.344 in N/A 8-32 N/A 0.025 in N/A 0.094 in N/A 0.500 lb N/A 1.25 lb

5BBPC-1027N N/A 0.344 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 0.500 lb N/A 1.25 lb

5BBPC-1028N N/A 0.513 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 1.500 lb N/A 3.00 lb

5BBPC-1029N N/A 0.513 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 0.500 lb N/A 1.50 lb

5BBPC-1030N N/A 0.513 in N/A 10-32 N/A 0.025 in N/A 0.094 in N/A 2.000 lb N/A 5.00 lb

6BBPC-1031N N/A 0.531 in N/A 1/4-20 N/A 0.035 in N/A 0.125 in N/A 3.000 lb N/A 7.00 lb

6BBPC-1032N N/A 0.531 in N/A 1/4-20 N/A 0.035 in N/A 0.125 in N/A 2.000 lb N/A 4.00 lb

6BBPC-1033N N/A 0.531 in N/A 1/4-20 N/A 0.035 in N/A 0.125 in N/A 4.000 lb N/A 12.0 lb

7BBPC-1034N N/A 0.578 in N/A 5/16-18 N/A 0.040 in N/A 0.156 in N/A 4.000 lb N/A 9.00 lb

7BBPC-1035N N/A 0.578 in N/A 5/16-18 N/A 0.040 in N/A 0.156 in N/A 2.000 lb N/A 4.50 lb

7BBPC-1036N N/A 0.578 in N/A 5/16-18 N/A 0.040 in N/A 0.156 in N/A 6.000 lb N/A 17.0 lb

8BBPC-1037N N/A 0.625 in N/A 3/8-16 N/A 0.048 in N/A 0.188 in N/A 5.000 lb N/A 10.0 lb

8BBPC-1038N N/A 0.625 in N/A 3/8-16 N/A 0.048 in N/A 0.188 in N/A 2.500 lb N/A 5.00 lb

8BBPC-1039N N/A 0.625 in N/A 3/8-16 N/A 0.048 in N/A 0.188 in N/A 6.000 lb N/A 21.0 lb

9BBPC-1040N N/A 0.750 in N/A 1/2-13 N/A 0.072 in N/A 0.281 in N/A 6.000 lb N/A 12.0 lb

9BBPC-1041N N/A 0.750 in N/A 1/2-13 N/A 0.072 in N/A 0.281 in N/A 3.000 lb N/A 6.00 lb

9BBPC-1042N N/A 0.750 in N/A 1/2-13 N/A 0.072 in N/A 0.281 in N/A 6.000 lb N/A 30.0 lb

10BBPC-1043N N/A 0.984 in N/A 5/8-11 N/A 0.096 in N/A 0.375 in N/A 9.000 lb N/A 18.0 lb

10BBPC-1044N N/A 0.984 in N/A 5/8-11 N/A 0.096 in N/A 0.375 in N/A 4.500 lb N/A 9.00 lb

10BBPC-1045N N/A 0.984 in N/A 5/8-11 N/A 0.096 in N/A 0.375 in N/A 7.000 lb N/A 50.0 lb

Unit of Measure
1