5/16" Thumb Screw Bolts with Gray Butterfly Tee Wing Finger Grip 4 / 8 / 12 Packs Available Stainless Steel Clamping Knob Bolts 5/16-18 Standard Coarse Thread Thread Material ? Stainless Steel 18-8 Head Cap Size: 5/16" x 1 1/2" Wide Delrin Plastic Lengths: 5/16 x 1/2", 5/16 x 3/4", 5/16 x 1in, 5/16 x 1 1/4", 5/16 x 1 1/2", 5/16x 2in, 5/16 x 2 1/2" 5/16 x 3" 5/16 x 3 1/2" These stainless steel clamping bolts can be used to secure material without using a wrench. They can also be used for: *Panels *Vices *Clamps *Router Table *Camera Tripod * Power Tools *Woodworking Jigs For additional thumb screw options, visit our store Here Thumb screws offer a hand-adjustment feature,which allows for simple action to fasten, tighten, loosen, or remove thescrews. However, they are also ideal for applications in which space is toorestricted to allow enough clearance for the use of tools to fasten the screw. Designers might choosethumbscrews for household, electronic and other consumer products, not just forthe ease of fastening but also to avoid the risk of over-tightening. They areparticularly beneficial for assemblies that require repeated removal andreinstallation. When used forremoval-and-reinstallation applications, such as safety covers or accesspanels, these bolts can reduce the amount of time required for maintenance orinspection. Their hand-adjustment design also reduces the incidence of brokenor stripped fasteners that might occur with frequent removal andreinstallation. Premium Quality Product Ships Fast Free Made in USA