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These ultra-precision knife-edge machinist squares are crafted by Kinex Measuring, a Slovakian company with a legacy of producing precision measuring tools since 1906.
The blades are meticulously machined from a single solid steel blank, eliminating the possibility of assembly errors and ensuring enduring accuracy. These squares are adhere to the stringent German DIN 875/00 accuracy standards. This level of precision is seldom encountered within the woodworking community. The long edge is ground to a knife edge, enabling the detection of even the slightest light, perfect for precise referencing against tools and blades.
The square's base is designed to enable it to stand on its edge effortlessly, facilitating hands-free measuring. An inner corner groove is milled to provide clearance for any burrs and debris. The faces and reference edges undergo lapping processes to ensure straightness and parallelism.
Each square is presented in a padded box and includes an inspection certificate, attesting to its unwavering commitment to quality and precision.
German manufacturing squareness tolerances for Din 875/00
| Height | Deviation |
| 50 mm | 0.00011” |
| 75 mm | 0.00011” |
| 100 mm | 0.00011” |
| 150 mm | 0.00015" |
| 200 mm | 0.00015” |
| 250 mm | 0.00019” |
| 300 mm | 0.00019” |
| 500 mm | 0.00027” |
Comes in a padded box. Includes signed inspection certificate.
| Item # | Height | Width | Thickness |
| 4001-03-063 | 2-1/2" (63mm) | 1-5/8" (40mm) | 0.225" |
| 4001-03-075 | 3" (75mm) | 2" (50mm) | 0.225" |
| 4001-03-100 | 4" (100mm) | 2-3/4" (70mm) | 0.240" |
| 4001-03-150 | 6" (150mm) | 4" (100mm) | 0.310" |
| 4001-03-200 | 8" (200mm) | 5" (130mm) | 0.3125" |
WARNING: Cancer and Reproductive Harm -
