0.1 Delrin 1420 BULK Nylon 1150 BULK Binder Design-Rail Button Supply House Std 1010 RB Standard 1010 Rail Button, Countersunk 8-32 Screw, and T-Nut Delrin Polished 0.4375 0.2285 0.2975 0.0730 0.0730 0.0000 0.445 1.395 1.025 Binder Design-Rail Button Supply House Std 1515 RB Standard 1515 Rail Button, Countersunk 10-32 Screw, and T-Nut Delrin Polished 0.6200 0.2995 .4495 0.125 0.125 0.0000 1.465 3.365 2.675 Rail-Buttons.com RB-Micro 2 Piece Micro Rail Button with 2-56 Screw (10mm Rail) Nylon Polished .1650 .1195 0.1595 0.041 0.0000 0.0465 0.01 0.04 Rail-Buttons.com 1PMB 1 Piece Mini Rail Button with Countersunk 6-32 Screw Delrin Polished .249 .193 0.205 0.0380 0.0380 0.0000 0.090 0.415 Rail-Buttons.com RB-10-D 3 Piece 1010 Rail Button with 8-32 Screw Delrin Polished .278 .154 0.270 0.060 0.060 0.115 0.305 1.715 Rail-Buttons.com 1P1010DLX 1 Piece 1010 Rail Button with Countersunk 8-32 Screw Delrin Polished .3725 .2480 0.305 0.078 0.078 0.0000 0.320 1.235 Rail-Buttons.com RB1515S 1 Piece 1515 Rail Button, Countersunk 10-32 Screw, and T-Nut Delrin Polished 0.49 0.29 0.56 0.1875 0.1875 0.0000 1.355 2.720 Wildman Rocketry 2052-LG 1 Piece 1515 Rail Button, Countersunk 10-32 Screw, and T-Nut Delrin Polished 0.621 0.308 0.6845 0.338 0.1675 0.0000 3.215 3.795 2.195