5/16"-18 x 4" Coarse Thread Toggle Bolt Combo (Phillips/Slotted) Round Head Low Carbon Steel Zinc Plated

PRODUCT SPECIFICATIONS (Part # 0000-116198)
Fastener Type:	Toggle Bolt Combo (Phillips/Slotted) Round Head
Size Description:	5/16"-18 x 4"
Diameter/Nominal Size:	5/16"
Length:	4"
Thread Pitch:	18
Thread Pitch Type:	Coarse
Thread Direction:	Right
System of Measurement:	Inch
Material:	Low Carbon Steel
Finish:	Zinc Plated
Head Type:	Round
Drive Type:	Combo (Phillips / Slotted)
Average Piece Weight:	0.0500000 lbs.

A toggle is also known as a butterfly anchor, used for hanging things on hollow walls such as drywall. Toggles have wings that open inside a hollow wall, bracing against it to hold the fastener securely. The wings, once fully opened, greatly expand the surface area making contact with the back of the hollow wall. This ultimately spreads out the weight of the secured item, increasing the weight that can be secured compared to a regular bolt.