Metallics TEKD155M 8 x 1-1/2 i...
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Metallics TEKD155M 8 x 1-1/2 in. 1/4 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - Steel Zinc - 5000qty

Metallics TEKD155M 8 x 1-1/2 in. 1/4 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - Steel Zinc - Each

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Model: TEKD155M
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8 x 1-1/2 in. 1/4 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - Steel Zinc - 5000qty

  • 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.
    • Steel Zinc Material
    • 1/4 Indented Hex Head with Hex Drive
    • #2 Drill Point
    • 8 Diameter, 1-1/2" Length

  • 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:
5000 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:
0.096 - 0.11 in.
Fastener Head Type:
Indented Hex
Fastener Head Width:
0.244 - 0.25 in.
Fastener Length:
1/1/02
Hardness:
Rockwell C32-40
Language Code:
EN
Material Standard:
AISI 1016 - 1024
Order Minimum Imperial:
5000
Order Minimum Uom Imperial:
TH
Pack Type:
Box
Panel Thickness:
0.035 - 0.100 IN
Product Group:
Fasteners
Product Height:
6.13 in
Product Length:
9 in
Product Weight:
39 lbs
Product Width:
9 in
Screw Point Type:
Drill Point
Slot Depth:
0.052 - 0.066
Slot Width:
0.045 - 0.054
Sub Division:
Electrical-E H2
Thread Per Inch:
18
Thread Standard:
SAE J78 - 2013
Torsional Strength:
42 lb-in minimum
Washer Od:
0.322 - 0.348 in.
Washer Thickness:
0.019 - 0.031 IN
Width Across Corners:
0.272
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 TEKD155M – Frequently Asked Questions

1) How thick a steel panel can the Metallics TEKD155M self-drilling screw drill through?
The #2 drill point on the TEKD155M is rated for panel thickness of 0.035 to 0.100 inch. That covers typical light-gauge steel studs, strut, hat channel and sheet metal. Go thicker than 0.100 inch and the point will burn before it penetrates, so step up to a higher drill point number for structural steel.
2) What size nut driver do I need for the TEKD155M hex head screw?
A 1/4 inch hex driver. The indented hex head measures 0.244 to 0.250 inch across the flats, 0.272 across the corners, with a head height of 0.096 to 0.110 inch. Standard 1/4 inch magnetic nut setter in a screw gun is all you need.
3) Does the Metallics TEKD155M come with a washer built in, and how wide does it bear?
The washer is integral to the head, so there is nothing separate to load. Outside diameter runs 0.322 to 0.348 inch with a thickness of 0.019 to 0.031 inch, which gives a wider bearing face than a plain hex head for clamping strap, clip or thin sheet without pulling through.
4) What thread pitch is the #8 TEKD155M screw and what standard does it meet?
18 threads per inch on a #8 diameter, 1-1/2 inch long shank. Threads conform to SAE J78-2013 and head dimensions to ASME B18.6.3-2010, so it interchanges with any other #8-18 Type BSD self-drilling screw built to those standards.
5) Will these zinc-plated screws hold up outdoors or in a damp mechanical room?
The TEKD155M is carbon steel (AISI 1016-1024) with a zinc plating. Zinc is a general-purpose indoor and protected-exposure finish. For direct weather, coastal air, or chemical exposure, use a stainless or coated self-drilling screw instead.
6) How tough are these screws, and will they snap in a high-torque screw gun?
Case hardness is Rockwell C32-40 with a minimum torsional strength of 42 lb-in. That is the failure floor, so set your gun clutch below it. The description notes drill time of about 2.5 seconds through a 1 mm plate, and minimum torques are the same as for stainless self-drill screws.
7) Can I buy the Metallics TEKD155M in small quantities or is it a bulk-only item?
It ships as a bulk box with an order minimum of 5,000 pieces. That is a jobsite or stockroom quantity, not a handful for one repair. Metallics does offer other sizes and quantities by request.
8) Are Metallics TEKD155M screws acceptable on a federally funded or Buy American job?
Metallics lists the TEKD155M as both Buy American compliant and ARRA compliant. Country of origin is recorded as multiple, so if your specification requires a single named origin on the submittal, confirm the origin of the lot you receive.
9) Do I need to pre-drill a pilot hole for these self-drilling screws?
No pilot hole. The Type BSD design has a #2 drill point that bores its own hole and then taps the thread in one pass, which is why it is used for fastening strut, conduit clips and boxes to light-gauge steel. Just hold steady pressure until the point breaks through before the threads engage.
10) How much does a full box of TEKD155M screws weigh for shipping and handling?
The bulk carton weighs 39 lbs and measures 9 x 6.13 x 9 inches. Worth knowing if you are staging multiple boxes on a lift or carrying them up to a mechanical penthouse.
How fast can I get the Metallics TEKD155M 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 TEKD155M come with a warranty?
Absolutely. The Metallics TEKD155M 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 TEKD155M?
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 TEKD155M from ZenSupply?
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