FIRST GRADE (Hardened)
USE :
• Measurement of squareness
MATERIAL :
• Machine grade carbon steel.
• Hardness: Over HV450
FEATURES :
• Dimension/ accuracy accordance to JIS B 7526(※exceeds JIS)
• Hardened measuring surface for abrasion resistance
• All Hardened, first grade squares are supplied with inspection certificate
Squareness ± (10 + L 20 ) µm (L: Nominal Size)
| Order Code | Model No. | Nominal Size (mm) | Blade Length (mm) | Blade Width (mm) | Blade Thickness (mm) | Beam Length (mm) | Beam Width (mm) | Beam Thickness (mm) | Squareness Accuracy (±mm) | Weight |
| AA-F50 | 002101 | ※ 50 | 50 | 16 | 2 | 37 | 16 | 10 | 0.013 | 54g |
| AA-F75 | 002102 | 75 | 75 | 50 | 0.014 | 72g | ||||
| AA-F100 | 002103 | 100 | 100 | 20 | 2.5 | 70 | 18 | 12 | 0.015 | 150g |
| AA-F125 | 002104 | ※ 125 | 125 | 80 | 0.016 | 175g | ||||
| AA-F150 | 002105 | 150 | 150 | 24 | 3 | 100 | 22 | 18 | 0.018 | 365g |
| AA-F200 | 002107 | 200 | 200 | 29 | 3.5 | 130 | 26 | 22 | 0.02 | 685g |
| AA-F250 | 002108 | ※ 250 | 250 | 165 | 0.022 | 900g | ||||
| AA-F300 | 002109 | 300 | 300 | 35 | 4 | 200 | 32 | 27 | 0.025 | 1.5kg |
| AA-F400 | 002111 | ※ 400 | 400 | 40 | 5 | 40 | 0.03 | 2.1kg | ||
| AA-F500 | 002113 | 500 | 500 | 46 | 300 | 45 | 35 | 0.035 | 4.3kg | |
| AA-F600 | 002114 | ※ 600 | 600 | 50 | 320 | 55 | 0.04 | 5.7kg | ||
| AA-F750 | 002115 | 750 | 750 | 58 | 6 | 400 | 63 | 50 | 0.048 | 11.3kg |
| AA-F1000 | 002117 | 1000 | 1000 | 65 | 10.0 | 550 | 80 | 65 | 0.06 | 24.5kg |
| AA-F1500 | 002119 | ※ 1500 | 1500 | 90 | 600 | 90 | 80 | 0.085 | 39.1kg | |
| AA-F2000 | 002121 | ※ 2000 | 2000 | 100 | 800 | 105 | 90 | 0.11 | 72.5kg |
| แบรนด์สินค้า | NIIGATA SEIKI (SK) |
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