Achieved over 35 years screw machining experience, Boly has proven its ability to precision manufacture each of its screw machine parts, nuts and inserts within remarkably close tolerances. Which means you will always have the benefit of hassle-free automatic or hand assembly no matter that finish, configuration, or application you specify.

Sizes:

1/8" Round - 1 1/4" Round
1/8" Hex - 1 58" Hex
1/8" Square - 7/8" Square
Special shapes and metric sizes upon request.

Equipments:

Single spindle machines
CNC turning machines
Complete secondary department
In house tool making

Materials:

Stainless steel, Carbon steel, Brass and Aluminum

Threads:

Inch and metric to ANSI H-28 or JIS standards, plus other international standards
Internal and external threads
Left-hand and right-hand pipe thread (i.e. straight, tapered, or fuel)
Special sizes and shapes upon request.

Surface Configurations:

Parts can be broached, back-drilled, counter bored, chamfered, knurled, or threaded.
Machine surfaces can be turned, shaved or burnished.

Finishes:

Standard finishes include bright nickel, electroless nickel, zinc, chrome, cadmium, tin,
    black oxide and anodize.
Special finishes including burnishing and polishing, annealing and heat treating, supplied
    upon request.