1/4-20 x 3/4" Tee Bolt Thumb Screws with Black Butterfly Wing Knob Pack of 4 Bolts Stainless Steel: 18-8 These 1/4" thumb screws are used for clamping material down with out a wrench Delrin Thermoplastic T head is 1 1/4" wide 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. For additional sizes,threads and colors, please visit our store Here These knobs provide asecure grip to position, tighten, and hold fixtures, machinery,and equipment. Made of thermoplastic, theyresist oil, grease, and solvents. Use color toidentify equipment controls and components at a glance. For additional sizes and colors please click HERE Stainless Steel: 18-8 Thread Pitch: 1.00 Made in USA Premium Quality Product 100% Customer Satisfaction Rating Shipping Free Shipping via USPS Ground Advantage, or Priority Mail on large or heavy orders. Orders are generally shipped same day or next on weekdays. Returns We accept return within 30 days from the receipt of the item for refund. Similar items 1/4"-20 x 1" Thumb Screws T Bolts Black Tee Wing Hand Knob 4 Pack Stainless $12.39 1/4"-20 x 2" Stainless Thumb Screw Bolts Black Clamping Hex Head Knob 4 Pack $14.69 1/4"-20 Thumb Screw Bolts Gray Round Hex Head Clamping Knob Stainless Steel $13.39 1/4"-20 x 1 1/4" Thumb Screw T Bolts with Red Butterfly Tee Wing Knob 4 Pack $12.49 1/4"-20 x 3/4" Knurled Thumb Screw Bolts Black Round Clamping Knob Black Oxide $18.95 1/4"-20 Knurled Thumb Screw Bolts Red Round Clamping Knob Stainless Steel 4 Pack $12.49 1/4"-20 Thumb Screw Bolts Black Round Plastic Hex Head Clamping Knob Stainless $13.49 1/4-20 Thumb Screw T Bolts Black Plastic Tee Wing Clamping Knob Stainless Steel $18.95 1/4"-20 Thumb Screw Bolts with Gray Butterfly Tee Wing Clamping Knob (12 Pack) $18.95 1/4"-20 Thumb Screw T Bolts Yellow Butterfly Plastic Clamping Tee Knob Wing Cap $18.49 1/4" Clamping Thumb Screw Set Threaded Inserts for Wood Includes Hex Key 4 Pack $15.95 1/4"-20 x 1 1/2" Thumb Screw Bolts with Black Butterfly Tee Wing Clamping Knob $12.39 1/4"-20 x 1 1/4" Thumb Screw T Bolts with Black Butterfly Tee Wing Knob 4 Pack $12.49 1/4-20 x 1" Thumb Screw T Bolts Red Butterfly Tee Wing Knob Stainless 4 Pack $12.39 Samsung Q Speaker Rear Mount Thumb Screw Bolts Black Tee Wing Knob 4 Pack $12.39 1/4-20 x 1" Thumb Screw T Bolts Black Butterfly Tee Wing Plastic Clamping Knob $19.95 (description exceeds maximum possible length)