Grade
AS-1
No. Pieces
36 pc. Set
SPI Gage Block Set – Rectangular Blocks, 36 pc. Set, Grade AS-1 – 30-915-3
- Grade 0 and Grade AS-1 accuracy meets or exceeds Federal Specifications B89.1.9-2002
- Certificate of calibration traceable to NIST included in each set and each individual block
- Grade economy shop accuracy approx..00005″
- All sets are supplied in attractive fitted case
Tolerances in Microinches
Grade 0
Grade AS-1
Economy
1″ and less
+ 4 – 2
+ 8 – 4
+50 – 50
2″
+ 8 – 4
+16 – 8
+50 – 50
3″
+10 – 5
+20 – 10
+50 – 50
4″
+12 – 6
+24 – 12
+50 – 50
36 pcs. Set
- 9 Blocks – 0.1001 thru 0.1009″ 0.0001″ steps
- 9 Blocks – 0.101 thru 0.109″ 0.001″ steps
- 9 Blocks – 0.110 thru 0.190″ 0.010″ steps
- 4 Blocks – 0.200, 0.300, 0.400, 0.500″
- 2 Blocks – 0.050, 0.100″
- 3 Blocks – 1.000, 2.000, 4.000″
Ordering Guide:
Grade
36 Pc. Set
Part #
AS-1
30-915-3
See all SPI Gage Block Sets – Rectangular Blocks
