Minerallac 3/8-16 x 1-1/4" Rou...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$66.00

Minerallac 3/8-16 x 1-1/4" Round Head Machine Screws with Phillips/Slotted Combo Drive, Zinc Plated Steel

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Model: 53220J

In Stock (leaves warehouse same day if ordered before 3pm ET)

$66.00
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Minerallac 3/8-16 x 1-1/4" Round Head Machine Screws with Phillips/Slotted Combo Drive, Zinc Plated Steel

Professional Grade Fastening Solutions for Industrial & Commercial Applications

Minerallac delivers reliable fastening performance with these precision-engineered 3/8-16 x 1-1/4" round head machine screws. Constructed from durable steel with zinc plated finish for corrosion resistance, these screws feature the versatile Phillips/Slotted combo drive system for maximum installation flexibility. Designed for use in pre-tapped holes or with nuts, these professional-grade fasteners provide secure connections in demanding applications.

Professional Features & Benefits

  • 3/8-16 Thread Size: Provides strong holding power and secure fastening for medium to heavy-duty applications
  • 1-1/4" Length: Optimal length for standard thickness materials while ensuring proper thread engagement
  • Phillips/Slotted Combo Drive: Dual drive system offers installation flexibility with either Phillips or slotted drivers
  • Zinc Plated Finish: Corrosion-resistant coating extends service life in various environmental conditions
  • Round Head Design: Low-profile head provides clean appearance while distributing load effectively
  • Steel Construction: High-strength material ensures reliable performance under mechanical stress
  • 2A External Threads: Precision threading ensures proper fit and secure engagement in threaded applications

Technical Specifications

  • Country Of Origin: China
  • Drive Type: Phillips/Slotted Combo
  • Driver Size: #3
  • Head Color: Silver
  • Head Diameter: 0.708
  • Head Height: 0.256
  • Head Type: Round Head
  • Product Finish: Zinc Plated
  • Product Length: 1-1/4 in
  • Product Material: Steel
  • Product Size: 3/8/16
  • Product Type: Machine Screw
  • Thread Size: 16
  • Thread Type: 2A External Threads

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Industrial Equipment Assembly
  • Commercial Construction Projects
  • Electrical Panel Installation
  • HVAC System Components
  • Machinery Maintenance & Repair
  • Professional Manufacturing
  • Infrastructure Development

Why Choose Minerallac Quality?

Minerallac machine screws deliver consistent performance with precision-engineered threading and durable zinc plated finish. The steel construction and professional-grade specifications ensure reliable fastening solutions for demanding applications, backed by proven manufacturing standards.

Manufacturer Resources

Product Specs

Country Of Origin:
China
Drive Type:
Phillips/Slotted Combo
Driver Size:
#3
Head Color:
Silver
Head Diameter:
0.708
Head Height:
0.256
Head Type:
Round Head
Product Finish:
Zinc Plated
Product Length:
1-1/4 in
Product Material:
Steel
Product Size:
3/8/16
Product Type:
Machine Screw
Thread Size:
16
Thread Type:
2A External Threads

Minerallac 53220J – Frequently Asked Questions

How fast can I get the Minerallac 53220J delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Minerallac 53220J come with a warranty?
Absolutely. The Minerallac 53220J is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Minerallac 53220J?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Minerallac 53220J from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.