Simpson Strong-Tie Drop-In (DIAS) Short Internally Threaded Anchor

Drop-in anchors are internally threaded drop-in expansion anchors for use in flush-mount applications in solid base materials. Minimum thread engagement should be equal to the nominal diameter of the threaded insert. 

• Lipped edge eliminates need for precisely drilled hole depth
• Hand- and power-setting tools available for fast, easy and economical installation
• Fixed-depth stop bit helps you drill to the correct depth every time
• Short length enables shallow embedment to help avoid drilling into rebar or pre-stressed/post-tensioned cables
• Short drop-in anchors include a setting tool compatible with the anchor to ensure consistent installation

Specifications (all models)

• Material: Carbon Steel
• Finish: Zinc Plated
• Component Material, Thread: UNC
• Packaging Type: Box
• Component Material, Anchor Body: Meets minimum 70,000 psi tensile
• Thread Pitch (mm): 1.27
• Component Material, Expander Plug: Meets minimum 50,000 psi tensile

Available options (see each model for exact values)

• Length (in.): 3/4, 1
• Thread Length (in.): 1/4, 5/16
• Threads per Inch: 13, 16
• Dimensions: 3/4, 1
• Minimum Embedment - Concrete: 3/4, 1
• Bolt/Rod Diameter (in.): 3/8, 1/2
• Thread Pitch (in.): 0.06, 0.08
• Drill Bit Diameter (in.): 1/2, 5/8

Caution: Oversized holes will make it difficult to set the anchor and will reduce the anchor's load capacity