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Machine Screws

Machine screws are designed to hold pieces of machinery together. Most machine screws require that the hole already be drilled and threaded, although there are a few types of machine screws capable of tapping their own holes. Like other screws, machine screws are available in a variety of shapes and sizes, Pan head, flat head and oval head. All available in zinc plated steel and stainless steel.

Pan Head Phillips:
Pan heads are slightly rounded with short vertical sides. Phillips drives are + shaped for a phillips screw driver.Available Materials/Finishes:

  • Stainless steel 18-8
  • Zinc plated steel

Pan Head Slotted:
Similar to Pan Head Phillips, Pan Head slotted too are slightly rounded with short vertical sides. Slotted drives are simple slots for a flat head screw driver. Available Materials/Finishes:

  • Stainless steel 18-8
  • Zinc plated steel

Flat Head Phillips:
Flat heads are countersunk (cone shaped under the head) with a flat top. Phillips drives are + shaped for a phillips screw driver. Available Materials/Finishes:

  • Stainless steel 18-8
  • Zinc plated steel

Slotted Flat Head:
Flat heads are countersunk (cone shaped under the head) with a flat top. Slotted drives are simple slots for a flat head screw driver. Available Materials/Finishes:

  • Stainless steel 18-8
  • Zinc plated steel

Phillips Oval Head:
Oval heads are countersunk (cone shaped under the head) with a rounded top. Phillips drives are + shaped for a phillips screw driver. Available Materials/Finishes:

  • Stainless steel 18-8
  • Zinc plated steel

Slotted Oval Head:
Oval heads are countersunk (cone shaped under the head) with a rounded top. Slotted drives are simple slots for a flat bladed screw driver. Available Materials/Finishes:

  • Stainless steel 18-8
  • Zinc plated steel

ASME standards specify a variety of "Machine Screws" in diameters ranging up to 0.75 in (19.05 mm). These fasteners are often used with nuts as well as driven into tapped holes. They might be considered a screw or a bolt based on the Machinery's Handbook distinction. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws or less ambiguously as machine screws, although some kinds of machine screw can be referred to as stove bolts. Metric Machine Screws, Machine Screw Sizes, Machine Screw, Small Machine Screws, Machine Screws Sizes, Aluminum Machine Screws, Black Machine Screws, Long Machine Screws, Copper Machine Screws, Tamper Proof Screws, Bronze Machine Screws