George H. Seltzer & Co.

George H. Seltzer & Company is the company behind the ZIP brand, specializing in high-quality machine tool accessories and industrial fastening solutions. The company manufactures and stocks a wide range of products designed for workholding, clamping, and machine table applications.

Zipbolts products are known for their reliability, durability, and immediate availability, with a large inventory that supports same-day shipment and flexible order quantities.

Their product portfolio includes:

T-slot bolts and nuts
Hex nuts and flange nuts
Flat steel washers
Coupling and extension nuts
T-slot nuts and studs
Clamps, step blocks, and steel wedges
The company offers both inch (English) and metric sizes, catering to diverse industrial needs across machining and tooling environments.

With a strong focus on quality manufacturing, ready stock availability, and customer convenience, Zipbolts serves industries that require dependable fastening and workholding components.