14 x 1/2 in. Pan Head Slotted Tapping Screws - 18-8 Stainless - 100qty
Features
- 18-8 Stainless Material
- Fastening stainless steel parts to aluminum or steel can cause a type of corrosion known as a galvanic couple in some environments.
- 14 Diameter, 1/2" Length
- Pan head with Slotted Drive
Additional Notes
- Other sizes and quantities available by request | Dimensions for #9 diameter are independent of ASME B18.6.4
Manufacturer Resources
Product Specs
- Minimum Purchase:
- 100 units
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Dimensional Standard:
- ASME B18.6.3-2013
- Division:
- Electrical H1
- Drive Type:
- Slotted
- Fastener Head Height:
- 0.126 - 0.139 in.
- Fastener Head Type:
- Pan
- Fastener Head Width:
- 0.457 - 0.476 in.
- Fastener Length:
- 2-Jan
- Field Application:
- Electrical, Plumbing, Heating, Air Conditioning Industries
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Pan_Slotted_Phillips_Self_Tap_SS.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 0.83 lbs
- Product Width:
- 3 in
- Screw Point Type:
- Gimlet Point
- Slot Depth:
- 0.068 - 0.085
- Slot Width:
- 0.064 - 0.075
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 10
- Thread Standard:
- ASME B18.6.4
- Torsional Strength:
- 125 lb-in minimum
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Type A Tapping Screw
- Type2:
- Type A Tapping Screw
- Series:
- JSTS
- Product Details:
- Type A Tapping Screw
- Product Material:
- 18-8 Stainless
Metallics JSTS1412 – Frequently Asked Questions
1) Are the Metallics JSTS1412 tapping screws sold individually or by the jar?
The JSTS1412 ships in a jar of 100, and 100 count is the order minimum. The jar itself is listed at 0.83 lbs. If you need a different size or quantity in the JSTS line, Metallics offers other sizes and quantities by request.
2) Will a #14 x 1/2 in. Type A tapping screw bite into sheet metal without a pre-tapped hole?
Yes. The JSTS1412 is a Type A tapping screw with a gimlet point, so it forms its own thread in a drilled or punched pilot hole in sheet metal at 10 threads per inch. It still needs a pilot hole sized for the #14 shank; the gimlet point starts the thread, it does not drill through the sheet.
3) Can I use these stainless screws to fasten into aluminum enclosures or steel strut?
You can, but watch the dissimilar metals. Metallics notes that fastening 18-8 stainless parts to aluminum or steel can set up a galvanic couple in some environments, which corrodes the softer metal at the joint. Indoors and dry, it is usually a non-issue; in wet, coastal, or exterior conditions, isolate the joint or use a matched-metal fastener.
4) Will a #14 pan head sit flush enough in a panel or box knockout?
No, a pan head is not a flush head. The JSTS1412 head measures 0.457 to 0.476 in. across and 0.126 to 0.139 in. high, so it stands proud of the surface with a wide bearing face. That bearing face is what you want over an oversized or slotted hole in a panel, but if you need the head buried, you need a flat head countersunk screw instead.
5) What screwdriver do these Metallics JSTS screws take?
Slotted drive only, not Phillips. The slot runs 0.064 to 0.075 in. wide and 0.068 to 0.085 in. deep, which suits a standard flat cabinet tip. Keep the driver square to the head: a slotted drive gives no self-centering, so a cam-out on a stainless screw will chew the slot before the screw seats.
6) How much torque can a #14 stainless tapping screw take before it snaps?
The JSTS1412 carries a minimum torsional strength of 125 lb-in. That is the twist the screw itself will survive; stainless work-hardens when you drive it fast, so run the gun slow and stop at seat rather than leaning on it. If you are consistently snapping heads, the pilot hole is undersized for the #14 thread.
7) Do these Metallics screws meet a recognized dimensional standard for spec work?
Yes. Head and body dimensions follow ASME B18.6.3-2013 and the thread follows ASME B18.6.4, the tapping screw thread standard. One caveat from Metallics: dimensions for the #9 diameter in this family are independent of ASME B18.6.4. That does not affect the #14 x 1/2 in.
8) Can I use these screws on a federally funded or Buy American job?
The JSTS1412 is flagged compliant for both ARRA and Buy American in Metallics' data, with country of origin listed as China. On a project with a strict domestic-content clause, submit that origin to your spec authority before you commit the fastener.
9) What trades actually use a #14 x 1/2 in. stainless pan head tapping screw?
Metallics targets the JSTS line at the electrical, plumbing, heating and air conditioning trades. Typical use is short-grip sheet metal work: fastening covers, brackets, straps and hangers to duct, enclosures and equipment housings where a 1/2 in. length is enough to pick up the sheet and the stainless is there for corrosion resistance.
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Does the Metallics JSTS1412 come with a warranty?
Absolutely. The Metallics JSTS1412 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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