The SB Series of steel calibration step blocks allow you to conveniently check the accuracy of ultrasonic thickness gauges. All blocks are made from 1018 Steel and include NIST-Traceable Calibration Certificate and a rugged storage case.
- Includes NIST Traceable Calibration Certificate
 - Precision Machined and Finished
 - Includes PLASTIC Storage Box
 - Made from 1018 Steel
 
| SB-4H | 0.250 | 0.500 | 0.750 | 1.000 inch 6.350 | 12.70 | 19.05 | 25.40 mm  | 
| SB-5L | 0.100 | 0.200 | 0.300 | 0.400 | 0.500 inch 2.540 | 5.080 | 7.620 | 10.16 | 12.70 mm  | 
| SB-4L | 0.040 | 0.060 | 0.080 | 0.100 inch 1.016 | 1.524 | 2.032 | 2.540 mm  | 
| Base Width: | 0.75" / 19mm | 
| Tolerance | ± 0.0005 in / 0.01mm | 
| Material | 1018 Steel | 
| Item | Description | Price | ||
|---|---|---|---|---|
SB-4L  | 4 Step Steel Calibration Test Block, 0.040, 0.060, 0.080, and 0.100 inch, with Plastic case and calibration certificate  | $345.00  | ||
| Accessories | ||||
ISO-17025-SB  | ISO-17025 Calibration Certification for Step Test Blocks  | $165.00  | ||
			
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