Holemaker Technology Racing Tools and Equipment Parts

Thread Type:

RH Thread

Drill Bit Diameter Small End:

13/16"

Drill Bit Diameter Big End:

1-1/16"

Drill Bit Diameter:

1/4"

Thread Pitch:

1/4-20 UNC

Thread Type:

RH Thread

Drill Bit Diameter Small End:

5/16"

Drill Bit Diameter Big End:

9/16"