Metallics JTEKDHH6 10 x 3/4 in...
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Metallics JTEKDHH6 10 x 3/4 in. 5/16 High Hat Hex Head Self-Drilling & Tapping Screws with Washer - #3 Drill Point - Steel Zinc - 100qty

Metallics JTEKDHH6 10 x 3/4 in. 5/16 High Hat Hex Head Self-Drilling & Tapping Screws with Washer - #3 Drill Point - Steel Zinc - Each

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Model: JTEKDHH6
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In Stock (leaves warehouse same day if ordered before 3pm ET)

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10 x 3/4 in. 5/16 High Hat Hex Head Self-Drilling & Tapping Screws with Washer - #3 Drill Point - Steel Zinc - 100qty

  • Additional Notes

    • For Maximum Drilling Engagement “Don’t Slip When You Drive” | 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.

  • Features

    • Steel Zinc Material
    • 10 Diameter, 3/4" Length
    • 5/16 High Hat Hex Head with Hex Drive
    • #3 Drill Point

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
C
Buy American Compliant:
C
Division:
Electrical H1
Drill Point Size:
#3
Drive Type:
Hex
Fastener Head Height:
0.125 - 0.13 in.
Fastener Head Type:
Hex "High Hat" Washer
Fastener Head Width:
0.305 - 0.312 in.
Fastener Length:
4-Mar
Hardness:
Rockwell C32-40
Language Code:
EN
Material Standard:
AISI 1016 - 1024
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-High_Hat_Washer_Hd_Self_Drill_TS.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Panel Thickness:
0.110 - 0.175 IN
Product Group:
Fasteners
Product Height:
2.15 in
Product Length:
3 in
Product Weight:
0.65 lbs
Product Width:
3 in
Screw Point Type:
Drill Point
Sub Division:
Electrical-E H2
Thread Per Inch:
16
Thread Standard:
SAE J78 - 2013
Torsional Strength:
61 lb-in minimum
Washer Od:
0.364 - 0.414 in.
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Type BSD Self-Drilling & Tapping Screw
Type2:
Type BSD Self-Drilling & Tapping Screw
Series:
JTEKDHH
Product Finish:
Zinc
Product Details:
Type BSD Self-Drilling & Tapping Screw
Product Material:
Steel Zinc

Metallics JTEKDHH6 – Frequently Asked Questions

1) What metal thickness will a #10 x 3/4 in. self-drilling screw with a #3 drill point actually drill through?
The Metallics JTEKDHH6 is rated for panel thickness of 0.110 to 0.175 in. The #3 drill point is sized for that range, so it handles heavier gauge steel like strut, angle iron and thicker channel. Thinner sheet (below 0.110 in.) is better served by a smaller drill point, since an oversized point can drill through before the threads engage.
2) Are these self-drilling screws Buy American and ARRA compliant for a government or public works job?
Metallics lists the JTEKDHH6 as compliant for both Buy American and ARRA. Country of origin is recorded as multiple, so if your submittal requires a single named origin, state that requirement when you order.
3) Does this screw have a built in washer, and how wide is the bearing surface?
The head is a hex "high hat" washer type, so the washer is integral to the head and there is nothing separate to add. Washer outside diameter runs 0.364 to 0.414 in., which gives you a wider bearing face for clamping strap, plate or thin flanges without a loose washer in the mix.
4) How many screws come in a jar of Metallics JTEKDHH6 and can I buy fewer?
These ship in a jar with a 100 count minimum order, so 100 pieces is the smallest quantity.
5) Will these screws snap when I drive them into heavy gauge steel with an impact driver?
Torsional strength is 61 lb-in minimum, with case hardness at Rockwell C32-40 on AISI 1016-1024 steel. That is the SAE J78 drive strength for this diameter. Driving into panel thicker than the rated 0.175 in., or leaning on a high torque impact after the head seats, is what breaks drill screws, not the drilling itself.
6) Is a zinc plated steel drill screw OK for outdoor or damp electrical work?
Zinc plating over steel is a mild corrosion coating intended for dry interior and protected locations. For wet, coastal or chemically exposed runs, specify a stainless or coated-stainless drill screw instead, since zinc plate will eventually rust in standing moisture.
7) What thread pitch is on a #10 Metallics drill screw, and will it hold in sheet metal?
16 threads per inch, cut to SAE J78 - 2013 for Type BSD self-drilling and tapping screws. The screw drills its own hole and taps its own thread in one pass, so no pilot hole and no nut are needed as long as the base metal falls in the 0.110 to 0.175 in. range.
8) With a 3/4 in. screw, how much thread is left to grip after it passes through the material?
Overall length is 3/4 in. Against the rated 0.110 to 0.175 in. panel, roughly half an inch of shank remains past the material once the head seats, less the drill point. If you are stacking two thick members or shimming behind strut, step up to a longer screw in the same series so you keep at least three threads engaged past the back face.
9) Do I need to order a hex washer separately for these high hat screws?
No. The washer is part of the head on the JTEKDHH6, with a 0.364 to 0.414 in. outside diameter formed in. All you need on the job is a 5/16 hex driver.
How fast can I get the Metallics JTEKDHH6 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 JTEKDHH6 come with a warranty?
Absolutely. The Metallics JTEKDHH6 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 JTEKDHH6?
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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