Hahn & Kolb

1 0 0 2 ● = ON STOCK AT HEADQUARTERS ○ = NO STOCK I TEM Measuring aids \ Scales and rules Steel rulers With test report Execution: ƒ ƒ Rectangular section ƒ ƒ Test surfaces finely sanded ƒ ƒ Straightness of test surfaces according to DIN 874 ƒ ƒ No. 37420–37425: Top edges finely ground, flat sides cleanly ground ƒ ƒ No. 37435–37436: Top edges finely ground and calibrated, flat side precision-ground. Rulers up to 1500 mm have rectangular section, rulers above 2000 mm have a double-T section and 2 hand slots ƒ ƒ No. 37450–37451: Precision design: top edges and flat sides precisely machined, ground and calibrated. Rulers up to 1500 mm have rectangular section, rulers above 2000 mm have a double-T section and 2 hand slots Accuracy class II II I I 0 0 Material Steel Stainless steel Steel Stainless steel Steel Stainless steel Length (mm) Cross-section length x cross-section width Weight (kg) 37420... Ident. No. 37425... Ident. No. 37435... Ident. No. 37436... Ident. No. 37450... Ident. No. 37451... Ident. No. 500 30 x 6 mm 0.7 050 ● 050 ● - - - - - - - - 500 40 x 8 mm 1.3 - - - - 050 ● 050 ● - - - - 500 50 x 10 mm 2 - - - - - - - - 050 ● 050 ● 750 40 x 8 mm 2 - - 075 ● - - - - - - - - 750 50 x 10 mm 3 - - - - - - 075 ● - - 075 ● 1000 40 x 8 mm 2.5 100 ● 100 ● - - - - - - - - 1000 50 x 10 mm 4 - - - - 100 ● 100 ● - - - - 1000 60 x 12 mm 5.7 - - - - - - - - 100 ● 100 ● 1500 50 x 10 mm 5.8 150 ● + 150 (○) + - - - - - - - - 1500 60 x 12 mm 8.4 - - - - 150 (○) + 150 (○) + - - - - 1500 70 x 15 mm 12.4 - - - - - - - - 150 (○) + - - 1500 70 x 14 mm 12.4 - - - - - - - - - - 150 (○) + 2000 60 x 12 mm 11.2 200 ● + 200 (○) + - - - - - - - - 2000 70 x 15 mm 12 - - - - 200 (○) + 200 (○) + - - - - 2000 80 x 15 mm 13 - - - - - - - - 200 (○) + - - Price/unit, € Prod. Gr. 375 No. 37551 012 No. 37550 012 Straight edges (DIN 874) Application: For inspecting the flatness and straightness of surfaces Execution: ƒ ƒ Hardened measuring edge, ground and finely lapped ƒ ƒ Hand warmth insulation ƒ ƒ No. 37550: Made from special steel, both inclines with anti-glare burnished finish ƒ ƒ No. 37551: Made from INOX steel, both incline surfaces with anti-glare matt finish Delivery: In synthetic leather case Notes: From 1000 mm on request Technical data: ƒ ƒ Material: Hardened steel Length (mm) 75 100 125 150 200 300 37550... Ident. No. Price/unit, € 007 ● 010 ● 012 ● 015 ● 020 ● 030 ● 37551... Ident. No. Price/unit, € 007 ● 010 ● 012 ● 015 ● 020 ● 030 ● Prod. Gr. 3AF 90° steel square, right-angle tolerances Excerpt from DIN 875 Length l1 Right-angle tolerances t in µm with accuracy level l2 l1 1 (mm) 00 0 1 2 50 3 - - - 75 3 7 14 28 100 3 7 15 30 150 4 8 18 35 200 4 9 20 40 250 5 10 23 45 300 5 11 25 50 500 7 15 35 70 750 10 20 43 85 1000 12 25 60 120