15 Series Single Anchor Fastener Assembly 

These parts are 100% equivalent to the following manufacturers:

15FAC3880 – 5/16-18:

•  80/20 #3360
• T-SLOTS (Futura) #651146
• Frame-World #EF-62
• McMaster #47065T154

15MFAC3720 – M8 x 1.25:

• 80/20 #3897

These Anchor Fasteners are the strongest way to connect two 15 Series T-Slotted extrusions together at 90°.

• They allow for easy positioning and re-positioning of the extrusions with a 1/4″ Ball-End Allen Key.
• The 15FAC3880 assembly includes (1) 15FA3610 Zinc Anchor Fastener Cam, (1) 5/16-18 x 1-1/4″ SHCS, and (1) 15FA3503 5/16-18 Standard T-Nut.
• The 15MFAC3720 assembly includes (1) 15FA3610 Zinc Anchor Fastener Cam, (1) M8 x 30 SHCS, and (1) 15MFA3921 M8 x 1.25 Standard T-Nut.
• The connectors are flush when installed, and provide a very clean and aesthetic look. Perfect when Joining Plates or Corner Brackets cannot be used.
• 15MA9071 Counterbore machining are required to use the anchor fasteners.  A Ø0.812″ (13/16″) two flute endmill is required to make the counterbore. The counterbore needs to be machined at 0.855″ from the edge, and 0.660″ deep.