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Strong-Point N820 – Slotted Indented Hex Washer Head Self Tapping Sheet Metal Screw, Zinc Plated, 8-15 x 1-1/4, Twinfast, Case Quantity: 5000

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Brand: Strong-Point
Part Number: N820
Diameter: #8 with 1/4" A.F.
Diameter and Thread Size: #8-15 Twinfast
Length in inches: 1-1/4"
Material: Steel
Finish: Zinc
Quantity: 5000

Attaches light gauge sheet metal to sheet metal or wood.

• Multipurpose sheet metal screw for light to medium gauge applications
• 22 degree point pierces light gauge metal
• Twin fast thread design creates faster installation speeds

• ASTM A 510 for carbon steel manufacturing
• Meets ASTM B 633 for electrodeposited zinc coatings
• Meets ASTM F1941 for corrosion resistance

A 1/4” hex nut setter or 1/4” drive socket with torque limiting nose piece set at a minimum of 1400 RPM drive speed recommended. Do not over torque as it can cause the head to snap or stripping of the threads. Installed fasteners must penetrate a minimum of three full threads beyond the metal structure.

Product Submittal: N808_N848


We offer free shipping for all orders across the U.S. mainland. JFasteners fulfill most orders within 1 business day via FedEx and UPS depending on the size and weight of the order.


At JT Thomas we have a 100% Customer Satisfaction Guarantee. If you are not completely satisfied with your purchase, simply return it for a replacement or refund. We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You’ll also need the order number. To start a return, you can contact us at If your return is accepted, ship your items to the address provided. Items sent back to us without first requesting a return will not be accepted.

Customer Reviews

Victor Ortega
July 15, 2022
Great service
Great service. Really fast shipping Thanks again.
Townhomes HOA
June 27, 2022
Impressive service, pricing at JT Thomas
Great experience with JT Thomas - really amazing service and got a good price. Will be using them again for sure.
Stanley Chiu
June 26, 2022
Wonderful service and items ordered are…
Wonderful service and items ordered are high quality as expected. Will be doing further business with JT Thomas Fasteners again!
Krzysztof Smagowicz
June 12, 2022
Bought multiple products from…
Bought multiple products from jfastener. The shipping came through quickly and received screws. Will use again
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Strong-Point N820 – Slotted Indented Hex Washer Head Self Tapping Sheet Metal Screw, Zinc Plated, 8-15 x 1-1/4, Twinfast, Case Quantity: 5000
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