At Rumco, Inc. we specialize in the manufacture of SEMS, Metric/Unified Threads, Standards and Specials.
Size Range:
(including
MS specs)
Diameter: 00 through 1/2" (M1 through M12)
Length: 1/8" through 3" (2mm through 76mm)
Washer Diameter: up to 1-1/2"
Sems Assemblies: to 7" long
Materials:
Ferrous: 1008, 1010, 1018, 1022, 1035, 1038, 4037, 4140 and other grades of steel
Non-Ferrous: Brass, 300 Series (18-8) Stainless Steel, 410 Stainless Steel, Aluminum, Silicon Bronze
Quantities:
1000 minimum through millions
SEMS and
Three Piece
SEMS
Assemblies:
All head styles and washers combinations, including countersunk and terminal
Thread Forming
Screws:
Tri-point or fully tri-lobular for metals or plastic, hi-low threads
Thread Cutting
Screws:
Types 1, F, 23, 25 and 17
Secondary
Capabilities:
•Bending
•Broaching
•Captivating
•Centerless Grinding
•Drilling
•End Slotting
•Grooving
•Nylon Patching
•Pointing
•Shaving
•Swaging
•Tapping
•Thread Rolling
•Trimming

Rumco, Inc.
989 Pauly Drive
Elk Grove Village, IL 60007

ph: 800-537-8626

fx: 847-364-4104

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