8-32 x 1-1/4 in. Flat Head Phillips Machine Screws - 18-8 Stainless - 100qty
Features
- Flat head with Phillips Drive
- Stainless is also superior to steel in withstanding some elevation in application operating temperature while maintaining its strength.
- 8-32 Diameter, 1-1/4" Length
- 18-8 Stainless Material
- Stainless steel machine screws are used in applications which require general atmospheric corrosion resistance, in food processing machinery and refrigeration equipment.
Additional Notes
- Other sizes and quantities available by request | Hardness and tensile strength standards are offered as guides only for stainless machine screws. There is currently no national standard for these performance requirements for stainless machine screws.
Manufacturer Resources
Product Specs
- Minimum Purchase:
- 100 units
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Dimensional Standard:
- ASME B18.6.3-1998
- 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:
- 1/1/04
- Gaging Diameter:
- 0.267
- Hardness:
- Rockwell B85-B95
- Language Code:
- EN
- Material Standard:
- SAE
- 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:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 0.66 lbs
- Product Width:
- 3 in
- Protrusion Gaging Diameter:
- 0.023 - 0.039 Above
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 850 lb minimum
- Thread Per Inch:
- 32
- Thread Standard:
- ANSI/ASME B1.1
- Thread Type:
- UNC
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Machine Screw
- Type2:
- Machine Screw
- Series:
- FM and FMP
- Product Details:
- Machine Screw
- Product Material:
- 18-8 Stainless
Metallics JFMP87SS – Frequently Asked Questions
1) How many screws come in a jar of Metallics JFMP87SS 8-32 machine screws?
The JFMP87SS ships as a jar of 100 screws, and 100 count is the order minimum. If you need a different count or a different length in the FM/FMP series, other sizes and quantities are available by request.
2) Will 8-32 flat head screws thread into a standard device box or plaster ring?
8-32 is the standard machine screw thread used for mounting wiring devices and plates to boxes, and the JFMP87SS is cut 32 threads per inch to UNC, per ANSI/ASME B1.1. At 1-1/4 inch long it gives extra reach where the device sits forward of the box, such as through a thick plaster ring or an adapter.
3) Can I use these screws on a Buy American or ARRA funded project?
Metallics lists the JFMP87SS as both ARRA compliant and Buy American compliant. Country of origin is China. If your contract specification requires domestic melt and manufacture rather than Buy America(n) Act compliance as the manufacturer applies it, confirm the clause against your project documents before submitting.
4) What size Phillips driver fits these 8-32 flat head machine screws?
A #2 Phillips. The recess on the JFMP87SS measures 0.182 in. diameter and 0.11 in. deep, which is a #2 bit profile. Driving it with a #1 will cam out and a #3 will not seat.
5) Are 18-8 stainless machine screws strong enough, or should I use steel?
The 18-8 stainless JFMP87SS is rated 850 lb minimum tensile with a hardness of Rockwell B85-B95. That is a corrosion-first choice rather than a high-strength one, so pick it for damp, washdown, food processing or refrigeration work and for applications that see some elevated operating temperature. For a structural, high-load joint, a hardened alloy steel screw is the better fit.
6) Do these Metallics stainless screws meet a recognized dimensional spec for submittals?
Yes. The JFMP87SS is made to ASME B18.6.3-1998 for dimensions and ANSI/ASME B1.1 for threads, with SAE as the material standard, so head and thread geometry are to spec. Note that Metallics states hardness and tensile figures for stainless machine screws are guides only, since no national performance standard exists for them.
7) Will stainless screws cause a galvanic problem in a steel box or on aluminum?
18-8 stainless is noble relative to plain steel, galvanized and aluminum, so in a wet or outdoor location the less noble material corrodes first at the joint. In dry interior work it is a non-issue, and the 18-8 is picked for general atmospheric corrosion resistance. For damp exterior assemblies on aluminum, isolate the fastener or match the material.
8) How much does a jar of 100 of these 8-32 x 1-1/4 screws weigh?
0.66 lbs for the jar. The container itself measures 3 in. by 3 in. by 2.15 in., which matters if you are kitting these into a van bin or a job box.
How fast can I get the Metallics JFMP87SS delivered?
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Does the Metallics JFMP87SS come with a warranty?
Absolutely. The Metallics JFMP87SS is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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