Metallics JTS21M 8 x 1 in. Pan...
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Metallics JTS21M 8 x 1 in. Pan Head Phillips Sharp Point Tapping Screws - Steel Zinc - 1000qty

Metallics JTS21M 8 x 1 in. Pan Head Phillips Sharp Point Tapping Screws - Steel Zinc - Each

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Model: JTS21M
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8 x 1 in. Pan Head Phillips Sharp Point Tapping Screws - Steel Zinc - 1000qty

  • Features

    • Steel Zinc Material
    • 8 Diameter, 1" Length
    • Pan head with Phillips Drive

  • Additional Notes

    • Other sizes and quantities available by request | Dimensions for #9 diameter are independent of ASME B18.6.4

Manufacturer Resources

Product Specs

Minimum Purchase:
1000 units
Arra Compliant:
C
Buy American Compliant:
C
Dimensional Standard:
ASME B18.6.3-2013
Division:
Electrical H1
Drive Type:
Phillips
Driver Size:
#2
Fastener Head Height:
0.105 - 0.115 in.
Fastener Head Type:
Pan
Fastener Head Width:
0.306 - 0.322 in.
Fastener Length:
1
Hardness:
Rockwell C28 - 38
Language Code:
EN
Material Standard:
AISI 1016 - 1024
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Pan_Slot-Phil-Combo_Self_Tap.pdf
Order Minimum Imperial:
1000
Order Minimum Uom Imperial:
TH
Pack Type:
Jar
Phillips Recess Depth:
0.108
Phillips Recess Diameter:
0.169 - 0.182
Phillips Recess Width:
0.03
Product Group:
Fasteners
Product Height:
7.25 in
Product Length:
4.5 in
Product Weight:
5.09 lbs
Product Width:
4.5 in
Screw Point Type:
Gimlet Point
Sub Division:
Electrical-E H2
Thread Per Inch:
15
Thread Standard:
ASME B18.6.4
Torsional Strength:
39 lb-in minimum
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Type A Tapping Screw
Type2:
Type A Tapping Screw
Series:
JTS
Product Finish:
Zinc
Product Details:
Type A Tapping Screw
Product Material:
Steel Zinc

Metallics JTS21M – Frequently Asked Questions

1) Is the Metallics JTS21M a self-tapping screw for sheet metal, or does it need a pilot hole?
The JTS21M is a Type A tapping screw with a gimlet (sharp) point, so it starts its own thread in sheet metal and light gauge material without tapping. A pilot hole sized to the material is still normal practice in heavier stock, but the sharp point is what lets it bite and pull itself in on thin sheet. Thread count is 15 threads per inch to the ASME B18.6.4 thread standard.
2) Are the Metallics JTS21M screws sold individually or only by the box?
They ship in a jar, with an order minimum of 1,000 pieces. This is a bulk fastener for stocking a truck or a shop crib, not a one-off item, and the jar weighs 5.09 lbs.
3) Do these Metallics screws meet Buy American and ARRA requirements for a public project?
The JTS21M is flagged compliant for both ARRA and Buy American in the manufacturer data. Country of origin is listed as China, so if your specification requires domestic melt and manufacture rather than the broader compliance flag, verify against your project's exact clause before you submit.
4) What size Phillips driver do I need for the Metallics JTS21M #8 screws?
A #2 Phillips bit. The pan head carries a Phillips recess 0.169 to 0.182 inch in diameter and 0.108 inch deep, which is what a #2 tip is cut for. Running a #1 will cam out and chew the recess.
5) How much head clearance does a #8 pan head screw take up on the surface?
The pan head on the JTS21M stands 0.105 to 0.115 inch above the surface and spans 0.306 to 0.322 inch across. That matters where a cover plate, bracket, or trim ring has to sit flat over the fastener, a pan head does not countersink and will not sit flush.
6) Will these Metallics tapping screws rust in a damp mechanical room?
The JTS21M is carbon steel with a zinc finish, made from AISI 1016 to 1024 steel. Zinc plating handles indoor and protected conditions fine, but it is not a stainless or hot dip coating, so for direct weather exposure, wet locations, or coastal air you want a stainless or hot dip galvanized fastener instead.
7) What dimensional standard do these pan head tapping screws conform to?
Head geometry on the JTS21M follows ASME B18.6.3-2013 and the thread follows ASME B18.6.4. If your submittal calls out a B18.6.3 pan head Phillips tapping screw in #8 x 1 inch, this answers it. One caveat from the manufacturer: dimensions for #9 diameter screws in this family fall outside B18.6.4.
How fast can I get the Metallics JTS21M 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 JTS21M come with a warranty?
Absolutely. The Metallics JTS21M 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 JTS21M?
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 Metallics JTS21M from ZenSupply?
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