Metallics TEK12M 10 x 3/4 in. ...
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Metallics TEK12M 10 x 3/4 in. 5/16 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #3 Drill Point - Steel Zinc - 1000qty

Metallics TEK12M 10 x 3/4 in. 5/16 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #3 Drill Point - Steel Zinc - Each

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Model: TEK12M
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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 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #3 Drill Point - Steel Zinc - 1000qty

  • 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.

  • Features

    • 5/16 Indented Hex Head with Hex Drive
    • #3 Drill Point
    • Minimum torques are the same for stainless and steel self-drill screws. Drill time is 2.5 seconds for a 1 mm thick plate.
    • 10 Diameter, 3/4" Length
    • Steel Zinc Material

Manufacturer Resources

Product Specs

Minimum Purchase:
1000 units
Arra Compliant:
C
Buy American Compliant:
C
Dimensional Standard:
ASME B18.6.3-2010
Division:
Electrical H1
Drill Point Size:
#3
Drive Type:
Hex
Fastener Head Color:
Silver
Fastener Head Height:
0.105 - 0.12 in.
Fastener Head Type:
Indented Hex
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-Hex_Head_Self-Drill_TS_Indent_Hex_Washer.pdf
Order Minimum Imperial:
1000
Order Minimum Uom Imperial:
TH
Pack Type:
Jar
Panel Thickness:
0.110 - 0.175 IN
Product Group:
Fasteners
Product Height:
7.25 in
Product Length:
4.5 in
Product Weight:
6.2 lbs
Product Width:
4.5 in
Screw Point Type:
Drill Point
Slot Depth:
0.057 - 0.072
Slot Width:
0.05 - 0.06
Sub Division:
Electrical-E H2
Thread Per Inch:
16
Thread Standard:
SAE J78 - 2013
Thread Type:
UNC
Torsional Strength:
61 lb-in minimum
Washer Od:
0.384 - 0.414 in.
Washer Thickness:
0.019 - 0.031 IN
Width Across Corners:
0.34
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 TEK12M – Frequently Asked Questions

1) Do these Metallics self-drilling screws meet Buy American requirements for a federal job?
Metallics lists the TEK12M as both Buy American compliant and ARRA compliant, which is what a government or institutional procurement file usually needs on a fastener line item. Country of origin is listed as multiple.
2) Is the washer on these Tek screws a separate loose washer or part of the head?
It is an integral washer formed with the head, not a loose part to assemble. Outside diameter runs 0.384 to 0.414 inches with a washer thickness of 0.019 to 0.031 inches, which spreads the bearing load over sheet metal, strut, and clip connections.
3) What thread does a #10 Tek screw have, and will it hold in drilled steel?
Thread is UNC at 16 threads per inch, the standard #10-16 self-tapping thread for drill screws, and it taps its own mating thread as it drives. Minimum torsional strength is 61 lb-in, so it tolerates the driving torque needed in the 0.110 to 0.175 inch panel range without snapping if your gun speed is set sensibly.
4) Can I buy the TEK12M screws in less than a full jar?
No. These ship as a jar with an order minimum of 1,000 pieces, so the smallest purchase is the full thousand. For an MRO crib or a repeat steel stud job that is a normal stocking quantity; for a one off repair it is more than you need.
5) What standards do these #10 self-drilling tapping screws conform to?
Dimensions follow ASME B18.6.3-2010 and the thread and drill screw requirements follow SAE J78-2013. Steel is AISI 1016 to 1024, case hardened to Rockwell C32-40. Note that SAE J78 does not cover #7 diameter drill screws, so if a spec calls one out you will not find it under that standard.
6) Are zinc plated Tek screws okay for outdoor or damp locations?
The TEK12M is carbon steel with a zinc plated finish, silver in appearance. Zinc plating is a mild corrosion coating suited to dry interior work: strut, conduit clamps, electrical boxes, hangers, and steel stud framing inside the building envelope. For exterior exposure, roof deck, or corrosive environments, specify a stainless or coated self-drilling screw instead.
7) How long does it take one of these drill screws to penetrate thin steel?
Metallics cites a drill time of 2.5 seconds through a 1 mm thick plate, and notes minimum torques are the same for stainless and steel self-drill screws. Thicker material in the 0.110 to 0.175 inch range takes longer, so keep steady pressure and let the point cut rather than spinning it.
8) How much does a jar of 1,000 Metallics TEK12M screws weigh and how big is the container?
Shipping weight is 6.2 lbs for the jar of 1,000. The container measures 4.5 by 4.5 by 7.25 inches, which matters if you are laying out bin storage on a service van or in a maintenance crib.
How fast can I get the Metallics TEK12M 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 TEK12M come with a warranty?
Absolutely. The Metallics TEK12M 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 TEK12M?
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 TEK12M from ZenSupply?
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