Metallics JTEKD41 5/16 x 1-1/4...
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Metallics JTEKD41 5/16 x 1-1/4 in. 5/16 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - Steel Zinc - 100qty

Metallics JTEKD41 5/16 x 1-1/4 in. 5/16 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - Steel Zinc - Each

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Model: JTEKD41
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5/16 x 1-1/4 in. 5/16 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - Steel Zinc - 100qty

  • Features

    • Minimum torques are the same for stainless and steel self-drill screws. Drill time is 2.5 seconds for a 1 mm thick plate.
    • 5/16 Diameter, 1-1/4" Length
    • 5/16 Indented Hex Head with Hex Drive
    • #2 Drill Point
    • Steel Zinc Material

  • Additional Notes

    • Other sizes and quantities available by request. | SAE J78 does not include Specifications for #7 diameter drill screws. | This table is only a guide and does not constitute a warranty of any type.

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
C
Buy American Compliant:
C
Dimensional Standard:
ASME B18.6.3-2010
Division:
Electrical H1
Drill Point Size:
#2
Drive Type:
Hex
Fastener Head Height:
0.208 - 0.23 in.
Fastener Head Type:
Indented Hex
Fastener Head Width:
0.489 - 0.5 in.
Fastener Length:
1/1/04
Hardness:
Rockwell C32-40
Language Code:
EN
Material Standard:
AISI 1016 - 1024
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
3.6 in
Product Length:
3 in
Product Weight:
3.2 lbs
Product Width:
3 in
Screw Point Type:
Drill Point
Slot Depth:
0.1 - 0.122
Slot Width:
0.072 - 0.084
Sub Division:
Electrical-E H2
Thread Per Inch:
12
Thread Standard:
SAE J78 - 2013
Washer Od:
0.624 - 0.676 in.
Washer Thickness:
0.035 - 0.055 IN
Width Across Corners:
0.545
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Type BSD Self-Drilling & Tapping Screw
Type2:
Type BSD Self-Drilling & Tapping Screw
Series:
JTEKD
Product Finish:
Zinc
Product Details:
Type BSD Self-Drilling & Tapping Screw
Product Material:
Steel Zinc

Metallics JTEKD41 – Frequently Asked Questions

1) How thick a steel can a #2 drill point self-tapping screw go through without pre-drilling?
The #2 drill point on the JTEKD41 cuts its own hole, so no pilot drilling is needed in sheet steel and light structural material. Metallics rates drill time at 2.5 seconds through a 1 mm thick plate. The screw is 1-1/4 inch long with 12 threads per inch, so the usable thread grip is what is left after the drill point clears your material.
2) Does the JTEKD41 screw come with a washer, or do I buy those separately?
The washer is assembled on the screw. Its outside diameter runs 0.624 to 0.676 inch and thickness 0.035 to 0.055 inch, which spreads the clamp load over sheet metal and hat channel without adding a loose part to the install.
3) Are these zinc self-drilling screws OK for outdoor or wet locations?
Material is zinc plated carbon steel (AISI 1016 to 1024), which is a dry-location and interior finish. Zinc plating gives limited corrosion resistance and is not a substitute for stainless in coastal, chemically aggressive, or continuously wet exterior service. For a rooftop or exterior envelope job, specify a stainless self-drilling screw instead. Note that minimum driving torques are the same for stainless and steel self-drill screws, so switching material does not change your tool setup.
4) What standards do Metallics JTEKD self-drilling tapping screws meet?
Head geometry is built to ASME B18.6.3-2010 and the thread to SAE J78-2013, with steel per AISI 1016 to 1024 and a case hardness of Rockwell C32-40. That hardness is what lets the point cut steel instead of work-hardening against it. Worth knowing on submittals: SAE J78 does not cover specifications for #7 diameter drill screws.
5) Will these screws satisfy a Buy American or ARRA requirement on a federal job?
The JTEKD41 is flagged ARRA compliant and Buy American compliant in Metallics' product data, with country of origin China. On federally funded work, confirm which clause your contract actually invokes, because the compliance basis differs between ARRA and the Buy American Act.
6) How are Metallics JTEKD41 screws packaged and what is the minimum order?
They ship in a jar, with a minimum order of 100 count. Jar weight is listed at 3.2 lbs with jar dimensions of 3 x 3 x 3.6 inches, which matters if you are stocking a service van bin or a shop shelf.
7) How much head height does the indented hex head add above the surface?
Head height is 0.208 to 0.23 inch, plus the washer at 0.035 to 0.055 inch. Budget roughly a quarter inch of standoff above the fastened surface, so it is not a flush or low-profile fastener. If you need the head buried, use a flat or trim head screw instead.
How fast can I get the Metallics JTEKD41 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 JTEKD41 come with a warranty?
Absolutely. The Metallics JTEKD41 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 JTEKD41?
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 JTEKD41 from ZenSupply?
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