Metallics JQK21CCL 10 x 1-1/4 ...
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Metallics JQK21CCL 10 x 1-1/4 in. 1/4 Hex Head Slotted Sharp Point Self-Piercing & Tapping Screws - Steel Zinc - 250qty

Metallics JQK21CCL 10 x 1-1/4 in. 1/4 Hex Head Slotted Sharp Point Self-Piercing & Tapping Screws - Steel Zinc - Each

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Model: JQK21CCL
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.17
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10 x 1-1/4 in. 1/4 Hex Head Slotted Sharp Point Self-Piercing & Tapping Screws - Steel Zinc - 250qty

  • 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

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

Manufacturer Resources

Product Specs

Minimum Purchase:
250 units
Arra Compliant:
C
Buy American Compliant:
C
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:
1/1/04
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:
250
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
4.57 in
Product Length:
3 in
Product Weight:
2.05 lbs
Product Width:
3 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:
12
Washer Od:
0.384 - 0.414 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 JQK21CCL – Frequently Asked Questions

1) Do I need to pre-drill for the Metallics JQK21CCL self-piercing screw?
No pilot hole is needed in sheet metal. The JQK21CCL is a sharp point self-piercing and tapping screw, so it pierces and forms its own thread as it drives. Twin lead threads cut the driving torque, and the undercut under the head gives you more thread engagement once it is seated.
2) Is the JQK21CCL screw Buy American compliant for a government job?
The JQK21CCL is flagged compliant for both ARRA and Buy American. Country of origin is listed as multiple, so if your spec requires a documented single source of manufacture, verify the origin on the lot you receive.
3) What driver do I need for a 1/4 in. hex head slotted screw like the JQK21CCL?
It takes a 1/4 inch hex driver or nut setter, and the slot gives you a flat-blade backup for hand driving or final snugging. Across the head the dimension runs 0.244 to 0.25 in., head height 0.096 to 0.11 in., slot width 0.045 to 0.054 and slot depth 0.052 to 0.074.
4) How many screws come in a jar of Metallics JQK21CCL?
They ship in a jar, 250 count minimum, weighing 2.05 lbs. Metallics notes other sizes and quantities can be had by request.
5) How thick a material will a #10 x 1-1/4 in. self-piercing screw hold?
With 12 threads per inch and 1-1/4 in. of length, the JQK21CCL is sized for sheet metal work where you need real thread engagement past the back face, think metal studs, strut, hanger straps, and box mounting. The undercut beneath the head adds engaged thread rather than wasting it on the shank.
6) Will the zinc finish on these Metallics screws hold up outdoors?
Material is zinc plated steel, which is a dry-interior and protected-location finish. For sustained exterior exposure or damp locations, step up to a stainless or hot dip galvanized fastener instead.
7) Are self-piercing screw head dimensions the same as a standard tapping screw?
No. Metallics states plainly that head dimensions on self-piercing screws differ from standard tapping screws, and that there is no single industry standard for self-piercing screw dimensions. The published values are a guide and deviations can occur, so if you are matching an existing head profile or a tight hole in a bracket, measure what you have first.
8) How hard are these self-piercing screws, and what steel are they made from?
Case hardness is Rockwell C28-38, drawn from AISI 1018 to 1022 low carbon steel. That is the range that lets the sharp point pierce sheet steel without the shank snapping off under a drill driver.
9) Does the JQK21CCL have an integral washer head, and how wide does it sit?
The head carries a washer face with an OD of 0.384 to 0.414 in. and a thickness of 0.019 to 0.031 in. That bearing surface is what spreads clamp load over thin sheet so the head does not pull through.
How fast can I get the Metallics JQK21CCL 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 JQK21CCL come with a warranty?
Absolutely. The Metallics JQK21CCL 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 JQK21CCL?
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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