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Features
- 18-8 Stainless steel machine screws are used in applications which require general atmospheric corrosion resistance, in food processing machinery and refrigeration equipment.
- Stainless is also superior to steel in withstanding some elevation in application operating temperature while maintaining its strength.
Kit Components
- (50) 6-32 x 3/4, (50) 6-32 x 1, (50) 8-32 x 3/4, (50) 8-32 x 1, (50) 10-32 x 3/4, (50) 10-32 x 1, (50) 1/4-20 x 3/4, (50) 1/4-20 x 1
Additional Notes
- Tensile strength values for stainless screws are offered as approximations only; there is no single standard for the performance requirements of stainless machine screws.
Manufacturer Resources
Product Specs
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Division:
- Electrical H1
- Drive Type:
- Slotted
- Fastener Head Type:
- Round
- Hardness:
- Rockwell B85-B95
- Language Code:
- EN
- Material Standard:
- SAE
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Round_Head_Machine_Screw.pdf
- Number Of Pieces:
- 400
- Order Minimum Imperial:
- 1
- Order Minimum Uom Imperial:
- EA
- Pack Type:
- Tray
- Product Group:
- Fasteners
- Product Height:
- 1.75 in
- Product Length:
- 11 in
- Product Weight:
- 4.9 lbs
- Product Width:
- 7.25 in
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 80000 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Machine Screw Kit
- Type2:
- Machine Screw Kit
- Series:
- SRM
- Product Details:
- Machine Screw Kit
- Product Material:
- 18-8 Stainless Steel
Metallics SRMK1 – Frequently Asked Questions
1) What sizes and quantities come in the Metallics SRMK1 stainless machine screw kit?
The SRMK1 tray holds 400 pieces total, 50 of each of eight sizes: 6-32 x 3/4, 6-32 x 1, 8-32 x 3/4, 8-32 x 1, 10-32 x 3/4, 10-32 x 1, 1/4-20 x 3/4 and 1/4-20 x 1. All eight are machine screw thread sizes, so they thread into tapped holes rather than biting into wood or drywall.
2) Are the screws in this Metallics kit Phillips or slotted, and what head shape?
Slotted drive with a round head. If your panel or device needs a Phillips or a flat countersunk head, this tray is not the right assortment.
3) Will these stainless screws hold up outdoors or in a wash-down area?
The screws are 18-8 stainless steel, used where general atmospheric corrosion resistance is needed, including food processing machinery and refrigeration equipment. Stainless also holds its strength better than plain steel as operating temperatures rise. For heavy chloride exposure, such as coastal spray or pool chemistry, 18-8 is not the grade of choice.
4) What tensile strength and hardness do these 18-8 stainless machine screws have?
Rated at 80,000 psi minimum tensile, with a hardness of Rockwell B85 to B95. One caution worth knowing: there is no single performance standard for stainless machine screws, so stainless tensile figures are approximations rather than a graded value like you would get on a plated steel bolt. If your spec calls out a specific fastener grade, verify the callout against that.
5) Does the SRMK1 kit include nuts or washers?
No. The tray is screws only, 400 of them across eight machine screw sizes. Any nuts, lock washers or flat washers you need for through-bolted connections have to be ordered separately, in matching 18-8 stainless if you want to keep the joint from galvanic mismatch.
6) Is this Metallics screw assortment acceptable on a Buy American or ARRA-funded job?
The SRMK1 is flagged compliant for both ARRA and Buy American. Country of origin is listed as multiple, so if your submittal package requires a specific mill origin per lot, that has to be confirmed against the shipment paperwork.
7) Are the threads on these screws inch or metric?
Inch. The sizes are SAE standard unified threads, 6-32, 8-32, 10-32 and 1/4-20, so they will not mate with M3, M4 or M6 tapped holes on imported equipment.
8) How is the Metallics SRMK1 screw assortment packaged, and how much does it weigh?
It ships as a tray, 11 x 7.25 x 1.75 inches, weighing 4.9 lbs with the 400 screws in it. The compartmented tray format is what makes it practical on a service truck or a shop bench where you want the sizes separated rather than loose in a bag.
9) Do I have to buy the Metallics SRMK1 kit in multiples, or can I order one tray?
One tray is the minimum. The order minimum is 1 each, so a single SRMK1 assortment can be bought on its own.
How fast can I get the Metallics SRMK1 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 SRMK1 come with a warranty?
Absolutely. The Metallics SRMK1 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 SRMK1?
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 SRMK1 from ZenSupply?
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and
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