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90° Angle Brackets

Metric, English and Common Slotted Versions
Standard ¼-20 or M6 x 1.0 Holes/Slots or AllSlots
Large and Small Sizes
Black Anodized Aluminum Construction

Available in Metric and English Standard versions, these adapter plates enable the mounting of rotary or translation stages, optic mounts and other positioning equipment at 90° to the breadboard, bench plate or lab table work surface. Brackets accommodate either ¼ or M6 mounting connections, depending on model selected. Common bracket types have only slots (no threaded holes) for both English and Metric platform integration. Small size has three 2" long slots on both faces. Large size has five 2" long slots on base and ten 1-½" long slots on larger mounting face (5 rows with 1" gap at center). See illustrations for additional specifications.

Technical Information


Type	A	B	C	D	E	Mounting Hole F	Mounting Hole G	Stock No.
English, Figure A	1"	½"	3"	2"	-	¼-20	¼	#55-379
Metric, Figure A	25mm	12.5mm	75mm	51mm	-	M6 x 1.0	M6	#55-381
English, Figure B	1"	½"	2"	½"	½"	¼-20	¼	#55-378
Metric, Figure B	25mm	12.5mm	57mm	13.5mm	6mm	M6 x 1.0	M6	#55-380
Common, Figure C	1"	½"	3"	2"	-	N/A		#58-180
Common, Figure D	1"	½"	2"	½"	½"	N/A		#58-181