Metallics QK17M 8 x 1-1/2 in. ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
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Metallics QK17M 8 x 1-1/2 in. 1/4 Hex Head Slotted Sharp Point Self-Piercing & Tapping Screws - Steel Zinc - 1000qty

Metallics QK17M 8 x 1-1/2 in. 1/4 Hex Head Slotted Sharp Point Self-Piercing & Tapping Screws - Steel Zinc - Each

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Model: QK17M
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.14
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8 x 1-1/2 in. 1/4 Hex Head Slotted Sharp Point Self-Piercing & Tapping Screws - Steel Zinc - 1000qty

  • Additional Notes

    • Other sizes and quantities available by request.| Head dimensions of self-piercing screws differ firom those of standard tapping screws. | There is no single standard for self·piercing screw dimensions. These values are offered as a guide; deviations from these specifications may occur.

  • Features

    • Undercut area beneath the head allows greater length of thread engagement.
    • Hex 1/4 Head with Slotted Drive
    • 8 Diameter, 1-1/2" Length
    • Steel Zinc Material
    • Twin lead threads help to reduce driving torque.

Manufacturer Resources

Product Specs

Minimum Purchase:
1000 units
Arra Compliant:
N
Buy American Compliant:
No
Division:
Electrical H1
Drive Type:
Slotted
Fastener Head Height:
0.096 - 0.11 in.
Fastener Head Type:
Hex
Fastener Head Width:
0.244 - 0.25 in.
Fastener Length:
1/1/02
Field Application:
Electrical, Plumbing, Heating and Air Conditioning Industries
Hardness:
Rockwell C28-38
Language Code:
EN
Material Standard:
AISI 1018 - 1022
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Head_Slot_Sharp_Pt_Self_Pierce_TS.pdf
Order Minimum Imperial:
1000
Order Minimum Uom Imperial:
TH
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
7.25 in
Product Length:
4.5 in
Product Weight:
6.59 lbs
Product Width:
4.5 in
Screw Point Type:
Sharp Point
Slot Depth:
0.052 - 0.074
Slot Width:
0.045 - 0.054
Sub Division:
Electrical-E H2
Thread Per Inch:
15
Washer Od:
0.322 - 0.348 in.
Washer Thickness:
0.019 - 0.031 IN
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Self-Piercing & Tapping Screw
Type2:
Self-Piercing & Tapping Screw
Series:
JQK
Product Finish:
Zinc
Product Details:
Self-Piercing & Tapping Screw
Product Material:
Steel Zinc

Metallics QK17M – Frequently Asked Questions

1) Do I need to pre-drill a pilot hole for the Metallics QK17M self-piercing screw?
No. The QK17M is a self-piercing and tapping screw with a sharp point, so it pierces thin sheet metal and forms its own thread as it drives. Twin lead threads cut the driving torque, and the steel is hardened to Rockwell C28-38 so the point holds up without a pilot hole in light-gauge material.
2) What driver do I need for the QK17M screw, a hex socket or a screwdriver?
Either. The head is a 1/4 inch hex with a slotted drive, measuring 0.244 to 0.25 inch across the flats and 0.096 to 0.11 inch high. Most electricians run them with a 1/4 inch magnetic hex bit in a drill; the slot (0.045 to 0.054 inch wide, 0.052 to 0.074 inch deep) is there for a flat blade screwdriver when you need to start or back one out by hand.
3) Will a #8 x 1-1/2 in. self-piercing screw work for hanging conduit straps and boxes to metal studs?
That is exactly the intended use. Metallics lists the QK17M for the electrical, plumbing, heating and air conditioning trades, and the 1-1/2 inch length gives you reach through a strap or box flange plus standoff material into light-gauge steel. At 15 threads per inch with twin lead threads, it drives fast, and the undercut under the head lets more thread engage the sheet.
4) Can I use the QK17M on a federally funded job with Buy American requirements?
No. The QK17M is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. On a project with domestic sourcing requirements you will need a fastener certified to those terms.
5) What is the smallest quantity of Metallics QK17M screws I can buy?
They go out 1,000 to a jar. The order minimum is 1,000 pieces, packed in a jar, and the full jar weighs 6.59 lbs. Other sizes and quantities can be arranged by request.
6) Are these Metallics screws rated for outdoor or wet locations?
These are carbon steel screws with a zinc finish, made from AISI 1018 to 1022 steel. Zinc plating is a dry-location, interior-grade coating. For exterior, damp, or corrosive environments, specify a stainless or heavier-coated fastener instead of the zinc-plated QK17M.
7) Why does the head on this self-piercing screw measure differently than my standard #8 tapping screws?
Head dimensions on self-piercing screws are not the same as on standard tapping screws, and there is no single industry standard governing them. Metallics publishes the QK17M head as 0.244 to 0.25 inch wide and 0.096 to 0.11 inch high as a guide, with some deviation possible. If you are matching a bit or a counterbore exactly, work from those ranges rather than a generic #8 tapping screw chart.
How fast can I get the Metallics QK17M 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 QK17M come with a warranty?
Absolutely. The Metallics QK17M 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 QK17M?
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 QK17M from ZenSupply?
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