Top 7 Best precision straight edge (2022)

1. OEMTOOLS 25355 24 Inch Straight Edge, Machined Straight Edge, Use with Feeler Gauges for Accurate Automotive Repairs, Checks Cylinder Heads and Engine Blocks

  • PROFESSIONAL STRAIGHT EDGE: Our straight edge tool is designed to be used with feeler gauges to complete engine work; Straight edge tool for cylinder heads features a machined straight edge, making inspections for distortion and flatness easy
  • USEFUL FOR MANY AUTOMOTIVE REPAIRS: These machinist tools allow you to inspect for flaws on engine blocks, cylinder heads, fly wheels, main bearing saddles, cam bearing saddles, cam covers, and bell housings
  • ACCURATE STRAIGHT EDGE: This machinist straight edge features a precision ground edge to +/- 0.001 inch for inspections; These straight edges provide true precision, eliminating the imprecision of visually inspecting cylinder heads for flaws
  • DURABLE STEEL STRAIGHT EDGE: Our heavy-duty precision straight edge is made in the USA from 1/4 inch cold rolled steel; Straight edge machinist tool has a durable black powder coat finish that resists rust and corrosion
  • PRODUCT SPECIFICATIONS: 24 Inches x 2 Inches x .25 Inches; Precision Ground Edge; Durable Powder Coat Finish; Convenient Hang Hole; Made in the USA from 1/4 Inch Cold Rolled Steel; Includes Reusable Protective Edge

2. 24 Inch Anodized Aluminum Straight Edge Guaranteed Straight to Within .001 Inches Over Full 24 Inches Length SE24

  • Guaranteed straight to within 0.001” (that’s one thousandth of an inch!) over the entire 24” length
  • Anodized aluminum .0400” (7/16”) thick by 1.750” (1 ¾”) wide
  • Reference edge is machined flat and smooth
  • Contoured cross section for easy gripping
  • Hanging hole on one end

3. Swanson SVE480 48-Inch Savage Straight Edge, Non-marring, Anodised and Laser-Etched Scale

  • No Slip Grip backing provides protection against scratching or marring surfaces and a a more stable and safer cutting guide
  • ThumbSaver raised edge design protects your hand while working
  • Anodized aerospace aluminum frame for durability
  • Precision laser etching on high-visibility orange finish
  • Scales to 1/16-in

4. Fulton 24 inch 38 inch and 50 inch Anodized Aluminum Straight Edge Bars | Perfect for Checking Straightness On Metal Surface Tops Whet Stones Machinery and Can Be Used to Mark Or Scribe Lines

  • Sometimes you need to have your work surface just right for your projects. Whether you’re a woodworker, metal worker or hobbyist, when you need a flat work surface you simply just need it. Finding an economical tool to check for flatness used to be quite the challenge. Not anymore!
  • Introducing the lightweight and easy to use Fulton Aluminum straight edge. Use the straight edge to properly check for flatness, so you can see if your work surface has any gaps, pits or any type of undulation that may catch, hook or slow down your material while feeding it through a blade, cutter or simply while working.
  • The Aluminum Straight Edge is that tool and it is accurate to exacting tolerances which makes it perfect for checking wet stones, jointers, planers, power tools, general machinery, table tops, counter tops and more for flatness. Works exceptionally well where there is a seam to make sure both sides are absolutely even.
  • The Aluminum Straight Edge is that tool and it is accurate to exacting tolerances which makes it perfect for checking wet stones, jointers, planers, power tools, general machinery, table tops, counter tops and more for flatness. Works exceptionally well where there is a seam to make sure both sides are absolutely even.
  • The bars measure 3/8” thick by 1¾” tall which is just the right size to stand upright unsupported so you can free up both hands to make adjustments to your tools or table tops. 24 inch straight edge has a .001″ tolerance, the 38 inch straight edge has a .002″ tolerance and the 50 inch straight edge has a .003″ tolerance.

5. Kinex 1039-22-100 Precision Machinist Straight Edge 1000 mm / 39 Inch Stress Relieved Spring Steel DIN 874/2 Straight w/in 0.0014” Over Full Length

  • Adheres to strict German DIN 874/2 accuracy standards- straightness guaranteed to w/in 0.0014 Inches (that’s just over one thousandth of an inch!)
  • Overall size: 1000 mm x 8 mm x 40 mm
  • These dimensions ensure it will retain its shape and accuracy, but also make it portable and easy to manage. It easily stands on its edge and stay put with no external support.
  • Packed in a foam and plastic storage box for protection when not in use
  • Kinex Measuring from the Czech Republic has been manufacturing top quality, precision measuring instruments since 1906.

6. POWERTEC 71332 38″ Anodized Aluminum Straight Edge | Metal Straight Edge Machined Flat to Within 0.003” Over Full 38” – Professional Finishing Tools

  • FUNCTION: A cost effective alternative to determining table surface flatness, engine block flatness, and can be used on other work surfaces, while also able to tune up and align machines such as jointers, planers and various others
  • FEATURES: An ergonomic, thick profile with a ribbed reinforcement for easy gripping, with precision milled edges for true parallel and accurate straightness, plus a hanging hole on the end to help keep your precision woodworking tools organized
  • ALUMINUM CONSTRUCTION: This heavy duty straight edge was engineered with lightweight anodized metal providing long-term durability and protection from everyday wear and abrasion
  • VERSATILE: Can be used as a straight edge guide for machines, drafting tool, drawing bar, or even to check cylinder head distortion – the possibilities are endless
  • SCALE: Straight edge ruler measures out to 38 inches long, 2 inches wide, with a 5/16” measuring surface width, and is equipped with a dual sided metric and standard ruler measurement system

7. POWERTEC 71213 18″ Anodized Aluminum Straight Edge | Metal Straight Edge Machined Flat to Within 0.001” Over Full 18” – Professional Finishing Tools

  • FUNCTION: A cost effective alternative to determining table surface flatness, engine block flatness, and can be used on other work surfaces, while also able to tune up and align machines such as jointers, planers and various others
  • FEATURES: An ergonomic, thick profile with a ribbed reinforcement for easy gripping, with precision milled edges for true parallel and accurate straightness, plus a hanging hole on the end to help keep your precision woodworking tools organized”
  • ALUMINUM CONSTRUCTION: This heavy duty straight edge was engineered with lightweight anodized metal providing long-term durability and protection from everyday wear and abrasion
  • VERSATILE: Can be used as a straight edge guide for machines, drafting tool, drawing bar, or even to check cylinder head distortion – the possibilities are endless
  • SCALE: Straight edge ruler measures out to 18 inches long, 2 inches wide, with a 5/16” measuring surface width, and is equipped with a dual sided metric and standard ruler measurement system

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