Metallics JTSF45 8 x 1-3/4 in....
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
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Metallics JTSF45 8 x 1-3/4 in. Flat Head Phillips Tapping Screws - Steel Zinc - 100qty

Metallics JTSF45 8 x 1-3/4 in. Flat Head Phillips Tapping Screws - Steel Zinc - Each

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Model: JTSF45
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.19
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8 x 1-3/4 in. Flat Head Phillips Tapping Screws - Steel Zinc - 100qty

  • Additional Notes

    • Other sizes and quantities available by request | Dimensions for #9 diameter are independent of ASME B18.6.4

  • Features

    • Steel Zinc Material
    • Flat head with Phillips Drive
    • 8 Diameter, 1-3/4" Length

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
U
Buy American Compliant:
U
Dimensional Standard:
ASME B18.6.4-1998
Division:
Electrical H1
Drive Type:
Phillips
Driver Size:
#2
Fastener Head Height:
0.084 - 0.1 in.
Fastener Head Type:
Flat
Fastener Head Width:
0.285 - 0.312 in.
Fastener Length:
1/3/04
Gaging Diameter:
0.267
Hardness:
Rockwell C28-38
Language Code:
EN
Material Standard:
AISI 1016 - 1024
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Flat_Phillips_Self_Tap.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Phillips Recess Depth:
0.11
Phillips Recess Diameter:
0.182
Phillips Recess Width:
0.03
Product Group:
Fasteners
Product Height:
2.7 in
Product Length:
3 in
Product Weight:
0.76 lbs
Product Width:
3 in
Protrusion Gaging Diameter:
0.023 - 0.039 Above
Screw Point Type:
Gimlet Point
Sub Division:
Electrical-E H2
Thread Per Inch:
15
Thread Standard:
ASME B18.6.4
Torsional Strength:
39 lb-in minimum
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Type A Tapping Screw
Type2:
Type A Tapping Screw
Series:
JTSF
Product Finish:
Zinc
Product Details:
Type A Tapping Screw
Product Material:
Steel Zinc

Metallics JTSF45 – Frequently Asked Questions

1) What is a Type A tapping screw and what materials will the Metallics JTSF45 screw bite into?
The JTSF45 is a Type A tapping screw with a gimlet point, which is the coarse-thread, pointed sheet metal screw style meant to be driven into a pilot hole in thin sheet metal, resinous plywood, or asbestos-type board. At 15 threads per inch on a #8 diameter, the thread is coarse and spaced for thin-gauge work, not for machine-screw threads in tapped metal. If you need to thread into thicker steel, a Type A screw is the wrong choice.
2) Will a #8 flat head Phillips screw sit flush in a countersunk hole?
Yes, if the countersink is cut for a standard 82 degree flat head. The JTSF45 head measures 0.285 to 0.312 in. across with a head height of 0.084 to 0.1 in., built to ASME B18.6.4-1998 dimensions, so it drops into any prep machined for a #8 flat head screw and finishes flush with the surface. In a straight-drilled hole with no countersink the head will stand proud.
3) What size Phillips bit do I need for the Metallics JTSF45 #8 tapping screw?
A #2 Phillips bit. The recess is 0.182 in. in diameter and 0.11 in. deep, so a #1 bit will cam out and a #3 will not seat. Keep a fresh #2 in the driver, since these screws carry a 39 lb-in minimum torsional strength and that is the point where you twist the head off rather than strip the recess.
4) Are these Metallics tapping screws suitable for outdoor or damp locations?
They are zinc plated carbon steel, which handles indoor and protected work fine but is not a marine or sustained-wet finish. For panel boxes, strut, enclosures, and general electrical rough-in, zinc plating is the usual spec. In coastal exposure or constant moisture, step up to stainless.
5) How many Metallics JTSF45 screws come in a pack and can I buy just a few?
They ship in a jar of 100, and 100 count is the order minimum, so this is a bulk-pack item rather than a loose-piece buy. The filled jar weighs 0.76 lbs.
6) Is the Metallics JTSF45 hard enough to cut its own thread without snapping?
The screws are case hardened to Rockwell C28-38 and made from AISI 1016 to 1024 carbon steel, with a 39 lb-in minimum torsional rating. That is the standard tapping-screw heat treat: hard enough at the point to form thread in sheet metal, with enough core ductility that the shank does not shear on the way in. Pre-drill to a proper pilot and drive at moderate speed.
7) Does the Metallics JTSF45 meet a recognized thread standard so it interchanges with other brands of #8 sheet metal screw?
Yes. Both the thread form and the dimensions follow ASME B18.6.4, so a #8 x 1-3/4 in. Type A screw from another maker will drive into the same hole and seat in the same countersink. The gaging diameter is 0.267 in. with 0.023 to 0.039 in. protrusion above the gage, which is the standard conformance check for that spec.
8) Can I get the Metallics JTSF flat head Phillips tapping screw in other lengths or diameters?
The JTSF series runs other diameters and lengths beyond the #8 x 1-3/4 in., and other pack quantities, available by request. One note on sizing: the #9 diameter dimensions in this series sit outside ASME B18.6.4, so if your spec calls for strict B18.6.4 conformance stay with a #8 or #10.
How fast can I get the Metallics JTSF45 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 JTSF45 come with a warranty?
Absolutely. The Metallics JTSF45 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 JTSF45?
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 JTSF45 from ZenSupply?
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