SPI - Zero-Set For Test Indicator "Zero-Set" is specially designed for test indicators with dovetails and functions as a quick and practical work positioning device Setting up a workpiece before machining, or aligning the center of a round workpiece in relation to the cutting head, takes virtually no time with "Zero-Set" Att...

SPI - Sweep-It Altitude of the indicator does not change across the entire range Eliminates the need to reposition the indicator and insures concentricity of progressive measurements Directly adapts to dovetailed 5/32" shank of indicator...

SPI - Precision Indicator Holders - Metric And Standard Quick, easy and accurate adjustment, 0" to 14" and up to 24" with optional extension Reversible holder slides full length of arm and allows fine adjustment to keep indicator on center line Use with extension arm to quickly and accurately set table 20-840-5 1" high vert...

SPI - Electronic Edge Finders - Highly Accurate Use on any electronically conducting material Highly accurate - repeatability: 0.0002" Bright LED with six equally spaced light ports Furnished in protective case Model 13-147-4 Type: Electronic Edge Finder End Type: Single Shank Diameter (Inch): 1/2 Shank Diamete...

SPI - Dial Indicator Depth Bases Fits any standard AGD dial indicator with 3/8" diameter stem Made of hardened and ground steel for flatness Black oxide finish Type: Base Only For Use With: Any Standard AGD Dial Indicator With 3/8In. Stem Diameter Fractional Length: 12-437-0 12-438-8  2-1/2 4 Material: ...

SPI - Universal Magnetic Indicator Holder Two universal ball sockets permit adjustment to any angle or position with full 360 degree movement Fine adjustment clamp Dovetail and 1/4" holes for test indicators Knurled knobs and lock screws Type: Magnetic Base w/Arm, Holder & Attachment Fine Adjustment (Yes/No): Yes A...

SPI - Quill Clamp Holder Fits Bridgeport type milling machines Fits milling machines with 1 7/8" diameter quills Clamps directly onto machine quill Will not disturb working tool in the machine  ...

SPI - Audible-Conventional Edge Finder Set - 4 Piece Set This versatile set allows you to accurately locate the starting point on all types of surfaces including flat and round surfaces, shoulders and many more Set includes 3/8" x 0.200" combo edge and center finder 1/2" x 0.200" combo edge and center finder 3/8" x ...

SPI - Fine Quality Magnetic Base Holder Adjustable post assembly swivels into a 40 degree desired position and has a fine adjusting screw for final setting Can also be used with inspection magnifiers, mirrors, safety shields, oil sprays, air lines, etc Permanent magnetic base 5 1/4" fine pivot adjustment post Base diameter 1 1/4" D...