Oklahoma's Oldest Fastener Distributer "Since 1944" Since our founding in 1944, W.M. Heitgras Company has developed a solid reputation of personal service and prompt delivery of quality products, with more than 40,000 square feet of warehouse space. W.M. Heitgras Company has one of the most complete stocks of major lines. W.M. Heitgras Company has grown from a small family-owned company to a company that ships orders to as far off as Hamburg, Germany. W.M. Heitgras Company is capable of quoting on any type of fastener, in any material, in any quantity. Our in-house custom manufacturing support staff can modify any fastener to solve special problems. We have more than 40,000 square feet of warehouse capacity for on hand stock, and we offer over 20,000 items plus custom machining. Backed by our quick turnaround and on call service. We're committed to providing the highest quality products to our customers at the lowest cost, with on-time delivery of goods and services. W.M. Heitgras Co. sells a complete inventory of ASTM A-193 studs with ASTM A194 2-H hvy hex nuts, including diameters ranging from 1/2" to 1-3/4" on domestic material. Additionally, our foreign manufactured material ranges from 3/8" to 4" ASTM A-193 studs and ASTM A-194 nuts. Mill Test Reports (MTRs) are available upon request.