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ASM is the leading manufacturer of electronic hardware and fasteners, with a history of product and service excellence since 1967. Our Quality Management Systems are AS9100 rev D and ISO 9001:2015 certified. With a commitment to complete customer satisfaction, ASM has proudly become a major supplier of prototype and full production quantities to numerous industries including: Electronics, Aerospace, Medical,Telecommunications and Metal Fabricating.

We specialize in JIT delivery of: bushings, captive screws, captive screw assemblies, handles, ferrules, locking fasteners, nuts, retainers, screws, self-locking devices, spacers, springs, standoffs, adapters, studs, security screws & washers.


In 1998, Accurate Screw Machine joined with MW Industries Inc. to strengthen its position as one of the top specialty fastener manufacturers in the nation. ASM continues to lead the way in the precision-machined fastener industry because we listen and respond to the needs of our customers by providing:

  • A Large Stock Inventory: Over 6 million parts ready to ship within 8 hours Custom Parts: Ship in one week or less.
  • Diverse Manufacturing Capability: Prototype to full production quantities
  • Metric and Standard Sizes: Large selection of heads, threads, lengths, ID's & OD's
  • Exacting Quality Standards: Registration to ISO 9001/2015, AS9100D & full QC certification
  • Comprehensive Product Reference Tools: Main product catalog, state-of-the-art interactive CD, and website. Plus, 3D CAD modeling.
  • Cage Code: 51506

Accurate Screw and Machine, Inc.

The Quality Policy of Accurate Screw Machine Corporation is to achieve, maintain, and on a continuing basis seek to continually improve the pursuit of excellence in product quality and customer satisfaction. It is further expressed that the policy by paramount throughout all operational elements of Accurate Screw Machine Corporation and that, to this end, procedures and instructions will be implemented.

Product Catalog

Captive Fasteners
(17,155 Products)
Captive Screws
(17,155 Products)
Hand Tools
(22 Products)
(1,562 Products)

Technical Articles

Classes of Thread (Fastening and Joining) Classes of thread fit is one of three factors one must consider when deciding what type of thread is best for a given fastener application. The other 2 are thread form and thread series. We will... (View Full Article)
Material Compatibility Selection Data (Metals and Alloys) It is important to understand what materials are compatible in order to prevent future corrosion issues. We have organized materials in groups to show materials that are compatible with each other. (View Full Article)

Product Announcements
Accurate Screw Machine Corp. (ASM)
Accurate Screw Machine Corp. (ASM)
Accurate Screw Machine Corp. (ASM)