Elco Bi-Flex 300 Series SS Fasteners: 10-16 x 3/4, Hex Head, #2 Point

Customer Reviews


: EAJ110-B

: Fastener


: ELCO Construction Fasteners & Screws, Shop ELCO Bi-Flex Stainless Steel Screws

#10-16 x 3/4" bi-metal screws with a 300 series stainless steel head and threads fused to hardened steel lead threads and self-drilling point. Stalgard GB coating provides a galvanic barrier. #2 self-drilling point can drill thicknesses up to .110". 5/16" hex drive. Bi-Flex fasteners provide unmatched corrosion resistance and high performance in a wide range of demanding applications, including aluminum, and are virtually immune to delayed embrittlement failures. 



Dia. - TPI


Length (L)

  3/4 in

Head Style


Drive System

  5/16 in Hex

Point Style


Max. Load-Bearing Length (B)1

  0.320 in

Pieces per 1/4 Keg


Weight per 1/4 Keg



  10 - 16 x 3/4"

Head Size

  Hex Washer Head

Screw Type

  B-Flex 300 Series Stainless Steel Bi-Metal Self-drilling Screws


  Stalgard® GB (Galvanic Barrier) Coating


  Made in USA


  Hardened Steel Tapping Threads and Point Fused onto an 18-8 Stainless Steel Shank and Head
1 The load-bearing length is the length of 300 series stainless under the hex head or including the flat head. Hardened steel length (lead threads and point) should be through the connection and not in the load bearing section of the connection.

Features and Benefits  
  • High strength, ductility and reliability
  • Virtually immune to delayed embrittlement failures
  • Greater galvanic compatibility in dissimilar metal applications involving aluminum
  • High in-place value over the life of application

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.