Rockford Screw Products. Charles Holmquist, one of the early Directors of Rockford Screw Products. Holmquist was also the President of Holmquist Lumber and Fuel Company.
Dedication of room 314 at Swedish American Hospital in honor of Swan Hillman, founder of Rockford Screw Products. From left to right are Dean Grout the Administrator of Swedish American Hospital, Ward Lidbetter the President of Rockford Screw…
Rockford Screw Products corporate airplane, the "Screw Bird" sits on the tarmac with two men shaking hands in front of it. Company President Swan Hillman sits in a Ford Thunder Bird in front of the plane.
Rockford Screw Products founder Swan Hillman at left stands with a second unknown person in front of a biplane. The two men are wearing aviators goggles and helmets.
Store display of Rockford Products NAPA automotive and miscellaneous hardware sold and stocked by Rockford Products salesmen. NAPA stands for National Automotive Parts Association.
Rockford Products manufactured parts. The large part in the back is a Delco Shock absorber ring made on a 1500 header. The Outside Diameter is approximately 2.375". On the back right is valve spring retainer for Caterpillar diesel engines that was…
Rockford Products parts. The two parts in the foreground and the two in the center are caster stems. The second part from the right in the back row is a part for a speedometer.
Samples of Rockford Products parts. In the foreground is a turbo charger shaft. Back second from the right is a Ford fuel nozzle which is both cross drilled and end drilled. All the other parts are component parts rather than fasteners.
Rockford Products manufactured pins and clips. Some are for cabinet locking mechanisms. The smaller pins in front are for holding down the tops for convertibles.
Rockford Products sample parts that demonstrate different types of knurling. Knurling provides a rough gripping surface by creating a pattern of straight, angled or crossed lines that are rolled into the material using a lathe.
Rockford Products sample products. The company was able to manufacture special order parts such as square bolts, flattened parts, ball studs on square shanks, and a variety of patterns of drilled holes.
Rockford Products manufactured components. From left to rights are an Amerock Window Crank components, a Ford fuel nozzle part a Ford transmission pin and part of a gear shift.