Metallics #6 x 3/8 in. Pan Hea...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.34
$0.63
Metallics JSTSP39 6 x 3/8 in. Pan Head Phillips Tapping Screws - 18-8 Stainless - 100qty

Metallics #6 x 3/8 in. Pan Head Phillips Type A Tapping Screws - 18-8 Stainless Steel

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Model: JSTSP39
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Metallics #6 x 3/8 in. Pan Head Phillips Type A Tapping Screws - 18-8 Stainless Steel

Professional Grade Fastening Solutions for Electrical Applications

Metallics delivers reliable fastening performance with these #6 x 3/8 in. pan head Phillips tapping screws manufactured from 18-8 stainless steel. These Type A tapping screws feature gimlet point design and meet ASME B18.6.3-2013 dimensional standards, providing dependable fastening for electrical, plumbing, heating and air conditioning applications with corrosion resistance and professional-grade construction.

Professional Features & Benefits

  • 18-8 Stainless Steel Construction: Provides excellent corrosion resistance and durability for long-term performance in demanding environments.
  • #6 Diameter x 3/8" Length: Optimal sizing for secure fastening in electrical and HVAC applications with precise dimensional control.
  • Pan Head Phillips Drive: Offers reliable torque transfer with #2 driver size and professional appearance for visible installations.
  • Type A Tapping Design: Self-tapping capability eliminates pre-drilling requirements, reducing installation time and labor costs.
  • Gimlet Point Configuration: Sharp point design ensures clean penetration and reliable thread formation in various materials.
  • ASME B18.6.3-2013 Compliance: Meets dimensional standards for consistent quality and interchangeability in professional applications.
  • 24 lb-in Minimum Torsional Strength: Provides reliable holding power and resistance to loosening under operational stresses.

Technical Specifications

  • Arra Compliant: N
  • Buy American Compliant: No
  • Country Of Origin: MUL
  • Department: Electrical
  • Dimensional Standard: ASME B18.6.3-2013
  • Division: Electrical H1
  • Drive Type: Phillips
  • Driver Size: #2
  • Fastener Head Height: 0.087 - 0.097 in.
  • Fastener Head Type: Pan
  • Fastener Head Width: 0.256 - 0.27 in.
  • Fastener Length: 8-Mar
  • Field Application: Electrical, Plumbing, Heating and Air Conditioning Industries
  • Height: 2.15 in
  • Language Code: EN
  • Material: 18-8 Stainless
  • Neurspe: https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Pan_Slotted_Phillips_Self_Tap_SS.pdf
  • Order Minimum Imperial: 100
  • Order Minimum Uom Imperial: JR
  • Pack Type: Jar
  • Phillips Recess Depth: 0.091
  • Phillips Recess Diameter: 0.153 - 0.166
  • Phillips Recess Width: 0.028
  • Product Details: Type A Tapping Screw
  • Product Family: Electrical Supplies
  • Product Group: Fasteners
  • Product Height: 54.61 MM
  • Product Length: 3 in
  • Product Subgroup: Screws
  • Product Type: Type A Tapping Screw
  • Product Weight: 104 g
  • Product Width: 76.2 MM
  • Screw Point Type: Gimlet Point
  • Series: JSTSP
  • Sub Division: Electrical-E H2
  • Thread Per Inch: 18
  • Thread Standard: ASME B18.6.4
  • Torsional Strength: 24 lb-in minimum
  • Type2: Type A Tapping Screw
  • Weight: 0.23 lbs
  • Width: 3 in

Professional Applications

  • Electrical Panel and Enclosure Assembly
  • HVAC Equipment Installation
  • Plumbing System Components
  • Commercial Building Maintenance
  • Industrial Equipment Fastening
  • Residential Electrical Projects
  • Professional Service and Repair

Why Choose Metallics Quality?

Metallics fasteners deliver consistent performance with precision manufacturing that meets ASME dimensional standards. The 18-8 stainless steel construction provides reliable corrosion resistance, while the Type A tapping design and gimlet point configuration ensure professional installation results across electrical, plumbing, and HVAC applications.

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
N
Buy American Compliant:
No
Dimensional Standard:
ASME B18.6.3-2013
Division:
Electrical H1
Drive Type:
Phillips
Driver Size:
#2
Fastener Head Height:
0.087 - 0.097 in.
Fastener Head Type:
Pan
Fastener Head Width:
0.256 - 0.27 in.
Fastener Length:
8-Mar
Field Application:
Electrical, Plumbing, Heating and Air Conditioning Industries
Language Code:
EN
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Pan_Slotted_Phillips_Self_Tap_SS.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
JR
Pack Type:
Jar
Phillips Recess Depth:
0.091
Phillips Recess Diameter:
0.153 - 0.166
Phillips Recess Width:
0.028
Product Group:
Fasteners
Product Height:
2.15 in
Product Length:
3 in
Product Weight:
0.23 lbs
Product Width:
3 in
Screw Point Type:
Gimlet Point
Sub Division:
Electrical-E H2
Thread Per Inch:
18
Thread Standard:
ASME B18.6.4
Torsional Strength:
24 lb-in minimum
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Type A Tapping Screw
Type2:
Type A Tapping Screw
Series:
JSTSP
Product Details:
Type A Tapping Screw
Product Material:
18-8 Stainless

Metallics JSTSP39 – Frequently Asked Questions

1) Do I need to pre-drill for Metallics #6 x 3/8 in. Type A tapping screws, or will the point start on its own?
These are Type A tapping screws with a gimlet point, which is the sharp, tapered point made for starting in thin sheet metal and soft materials without a pilot hole. In heavier gauge stock a pilot still gives straighter starts and less distortion, but the gimlet point is what lets you drive directly into light sheet, enclosure flanges, and sheet metal boxes. Thread count is 18 per inch on the #6 diameter.
2) Will stainless tapping screws hold up in a damp or outdoor electrical enclosure?
The JSTSP39 screws are 18-8 stainless steel, the austenitic grade normally specified when a fastener has to resist corrosion in wet, washdown, or coastal exposure. That is the reason to pick these over a zinc-plated carbon steel tapping screw, which will rust at the head and seize in the hole. Note that 18-8 is softer than hardened carbon steel, so torsional strength is 24 lb-in minimum, not the higher figure a case-hardened screw gives you.
3) How much clearance does the pan head take up, and will it sit flush?
A pan head sits on top of the surface, not in it, so plan for 0.087 to 0.097 in. of head height above the material. Head width runs 0.256 to 0.27 in., which matters if you are landing the screw next to a raised flange, a gasket line, or a device plate. If you need the head below the surface, this is the wrong head style and you want a flat or oval head in a countersunk hole instead.
4) Are Metallics JSTSP39 tapping screws Buy American or ARRA compliant for a government job?
No. The JSTSP39 screws are not Buy American compliant and are not ARRA compliant, with country of origin recorded as multiple. If your project carries a domestic sourcing requirement, these will not satisfy it and you need a domestically produced fastener instead.
5) How much can I torque a #6 18-8 stainless tapping screw before it snaps?
Rated torsional strength is 24 lb-in minimum. In practice that means driving these with a clutch-set driver or by hand, not a full-trigger impact. Stainless tapping screws in this size twist off rather than strip the hole, so set the driver light and stop as soon as the pan head seats.
6) What driver bit fits these Metallics pan head Phillips tapping screws?
A #2 Phillips bit is the specified driver size. The recess measures 0.153 to 0.166 in. in diameter at 0.091 in. depth, so a #1 bit will cam out and chew the recess, and a #3 will not seat. Keep a fresh #2 in the gun, since 18-8 stainless recesses deform more easily than hardened steel.
7) Are these screws dimensionally interchangeable with other brands' #6 pan head tapping screws?
Yes, within standards. Head and recess geometry is built to ASME B18.6.3-2013 and the threads to ASME B18.6.4, the two specs that govern tapping screw dimensions. Any other #6 Type A screw made to the same standards will match on thread pitch, head profile, and recess, so you can mix them in a panel without surprises. Where they will differ is material and finish, and these are 18-8 stainless.
8) What thickness of material does a 3/8 in. long tapping screw actually work in?
At 3/8 in. overall length, you only have enough thread to grip thin material plus the part you are fastening through. That makes it a sheet metal and light-panel screw, typical for securing covers, brackets, nameplates, and mounting straps to enclosures and HVAC duct. For wood framing or anything where you need deep thread engagement, step up to a longer screw in the same series.
9) How are these Metallics tapping screws packaged, and what is the minimum order?
They ship in a jar, with a minimum order quantity of 100. That is a shop-stock pack rather than a bulk box, which suits a service truck or an MRO bin where you want one container of a single size on the shelf. Pack weight is listed at 0.23 lbs.
10) Can I use these on HVAC sheet metal and plumbing work, or are they only for electrical?
Stated field application covers the electrical, plumbing, and heating and air conditioning trades. The combination that makes that work is corrosion-resistant 18-8 stainless and a sheet metal gimlet point, so the same jar covers duct straps, condensate pan brackets, panel covers, and pipe clamps. A mechanical contractor and an electrician can stock the one size.
How fast can I get the Metallics JSTSP39 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 Metallics JSTSP39 come with a warranty?
Absolutely. The Metallics JSTSP39 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 Metallics JSTSP39?
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
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