• Set complete in fitted case.
  
• Size 3" long by 1/4" thick.
  
• Furnished in 1 degree increments to 5 degrees and in 5 degree increments to 30 degrees.
  
• Hardened steel, precision ground.
  
• Accuracy ± 0.0001" per inch.
  
• With the addition of the optional 1/4 degree and 1/2 degree blocks -- virtually any conceivable angle to these increments can be established.
  

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• Made of high quality fine grained cast iron, stress relieved.
  
• All faces and ends finished square and parallel.
  
• Machined finish - Size ± 0.015". Square and parallel within 0.002" per 6".
  
• Ground finish - Size ± 0.002". Square and parallel within 0.0005" per 6".
  

• Designed to easily check squareness, parallelism, concentricity and runout on component parts.
  
• Base is perpendicular to shaft within 0.00005" over the length of the square. Magnetic base eliminates clamping distortion and speeds set-up.
  
• Manufactured from steel selected and normalized to insure stability and uniformity.
  

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• Specifically designed for use on milling machines.
  
• Mounts directly to table with standard T-bolts and nuts.
  
• Solid cast iron construction.
  
• T-slots for 1/2" T-bolts OR T-nuts in top plate for easy mounting of clamps OR vises.
  
• 10" sine center distance held within 0.001".
  
• Edge rail for quick locating of workpiece.
  
• Can be used as standard angle plate in closed position.
  
• Weighs 100 lbs.
  

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• 1/4" to 10" Range.
• Extra tapped holes on sliding member for mounting indicator post OR other accessories.
• 1-1/8" Wide body.
• Beveled ways eliminate sideplay.
• All surfaces square and parallel for use in any plane.
• 0.0002" Accuracy.

• Hardened steel, ground on all six sides.
• Available as single blocks OR in matched pairs, per chart below.
• B-123-H1-M has one 1/2" through hole in 2" x 3" face.
• 11-hole models have 5/16-18 tapped holes.
• 23-hole models have 3/8-16 tapped holes.
• All models, except PB123, come with fitted, wooden box.
• B-123-H11-M, B-123-H23M, B-234-H23-M & B-246-H23-M have drilled, counter-bored & tapped holes to allow screw mounting and conversion into angle plates & other precision set-ups.

• Effectively "cancels" the angle being measured to check its accuracy.
• Made of steel, hardened to Rc 58-62.
• Ground flat, square and parallel within 0.0002".
• The end rail is included and can be mounted at either end.

• Extremely accurate reference line.
• Can be used for checking surfaces for straightness.
• Precision ground and finely finished.
• Perfect for drawing or scribing straight lines.
• Graduated & non-graduated models available.
• Stainless steel models have hang-up hole.
• Tolerance 0.0005" per foot.

Tool Steel · Graduated · Beveled Edge

Tool Steel · Non-Graduated · Square Edge

Tool Steel · Non-Graduated · Beveled Edge

Stainless Steel · Non-Graduated · Beveled Edge

Stainless Steel · Non-Graduated · Square Edge

• Made of high quality fine grained cast iron, stress relieved.
  
• All faces and ends finished square and parallel.
  
• Machined finish - Square and parallel within 0.002" per 6".
  
• Ground finish - Square within 0.0005" per 6". Parallel within 0.00025" per 6".
  

• Provides an excellent means for holding non-magnetic workpieces for machining OR grinding.
  
• Vacuum gage and relief valve included.
  
• All chucks have back and end rail for positive location of workpieces.