Khối chuẩn SPI 1-2-3 / 2-3-4 / 2-4-6 Block Sets
SPI 1-2-3 / 2-3-4 / 2-4-6 Block Sets Features:
Hardened steel to RC 55-60, ground to surface finish 6-16 microinches
Matched 1-2-3 and 2-3-4 Blocks
Squareness of all sides within 0.0001″ per inch on 1-2-3 blocks, 0.0003″ per inch on 2-3-4 blocks
Five tapped holes (3/8″ – 16), 18 untapped holes (0.340″ dia.)
Matched 2-3-4 Blocks
Squareness of all sides within 0.0003″ per inch
Five tapped holes (5/8″ – 11), 18 untapped holes (0.520″ dia.)
Available Options
| block-sets |
Product Number |
| 2-3-4 Block Set |
#13-670-5 |
| 2-4-6 Block Set |
#13-672-1 |
| 1-2-3 Block Set |
#13-671-3 |