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Spi Ringmaster - ...For Every Machine Shop The New Concept In Master Setting Rings 

• Guaranteed to ±.0001" accuracy. Extra long gaging length - 10 micro finish or better
• Hardened, 58 - 60 Rc
• Lightweight and feature color coded aluminum heat shield
• Increase ˘at the machine÷ reliability without time consuming inspection setups
• Ideal setting rings for dial bore gages, groove gages, air gages, inside micrometers, vernier calipers, etc.
• For true accuracy in setting any applicable internal checking device




Contact Us for technical assistance or with questions about this product.

National Supply Source works through a network of over 130 distributor locations throughout the country. Click the link next to the product you are interested in to either order online or request more information from the distributor for your area.

Order # Description 1Description 2 Your Price Find a Distributor for Your Area
47117777 2 Spi Master Setting Ring #30-078-030-078-0 $97.36
47117778 1.9687 Spi Master Setting Ring #30-077-230-077-2 $97.36
47117779 1.9375 Spi Master Setting Ring #30-076-430-076-4 $97.36
47117780 1.9062 Spi Master Setting Ring #30-075-630-075-6 $97.36
47117781 1-7/8 Spi Master Setting Ring #30-074-930-074-9 $97.36
47117785 1.8437 Spi Master Setting Ring #30-073-130-073-1 $97.36
47117786 1-13/16 Spi Master Setting Ring #30-072-330-072-3 $97.36
47117787 1-25/32 Spi Master Setting Ring #30-071-530-071-5 $97.36
47117788 1-25/32-2 X 32NDS Master RingSet (8 Pc) #30-070-7 $700.89
47117789 1-3/4 Spi Master Setting Ring #30-068-130-068-1 $83.99
47117790 1.7187 Spi Master Setting Ring #30-067-330-067-3 $83.99
47117791 1.6878 Spi Master Setting Ring #30-066-530-066-5 $83.99
47117792 1.6562 Spi Master Setting Ring #30-065-730-065-7 $83.99
47117793 1-5/8 Spi Master Setting Ring #30-064-030-064-0 $83.99
47117794 1.5937 Spi Master Setting Ring #30-063-230-063-2 $83.99
47117795 1.5625 Spi Master Setting Ring #30-062-430-062-4 $83.99
47117796 1.5312 Spi Master Setting Ring #30-061-630-061-6 $83.99
47117797 1-17-32-1-3/4 X 32NDS Master RingSet (8 Pc) #30-060-8 $687.14
47117798 1-1/2 Spi Master Setting Ring #30-058-230-058-2 $83.99
47117799 1-15/32 Spi Master Setting Ring #30-057-430-057-4 $83.99
47117800 1-7/16 Spi Master Setting Ring #30-056-630-056-6 $83.99
47117804 1.4062 Spi Master Setting Ring #30-055-830-055-8 $83.99
47117805 1-3/8 Spi Master Setting Ring #30-054-130-054-1 $83.99
47117806 1.3437 Spi Master Setting Ring #30-053-330-053-3 $83.99
47117807 1-5/16 Spi Master Setting Ring #30-052-530-052-5 $83.99
47117808 1.2812 Spi Master Setting Ring #30-051-730-051-7 $83.99
47117809 1-9/32-1-1/2 X 32NDS Master RingSet (8 Pc) #30-050-9 $687.14
47117810 1-1/4 Spi Master Setting Ring #30-048-330-048-3 $74.10
47117811 1.2187 Spi Master Setting Ring #30-047-530-047-5 $74.10
47117812 1-3/16 Spi Master Setting Ring #30-046-730-046-7 $74.10
47117813 1.1562 Spi Master Setting Ring #30-045-930-045-9 $74.10
47117814 1-1/8 Spi Master Setting Ring #30-044-230-044-2 $74.10
47117815 1.0937 Spi Master Setting Ring #30-043-430-043-4 $74.10
47117816 1-1/16 Spi Master Setting Ring #30-042-630-042-6 $74.10
47117817 1.0312 Spi Master Setting Ring #30-041-830-041-8 $74.10
47117818 1-1/32-1-1/4 X 32NDS Master RingSet (8 Pc) #30-040-0 $548.19
47117819 1 Spi Master Setting Ring #30-038-430-038-4 $65.51
47117823 .9687 Spi Master Setting Ring #30-037-630-037-6 $65.51
47117824 .9375 Spi Master Setting Ring #30-036-830-036-8 $65.51
47117825 .9062 Spi Master Setting Ring #30-035-030-035-0 $65.51
47117826 7/8 Spi Master Setting Ring #30-034-330-034-3 $65.51
47117827 .8437 Spi Master Setting Ring #30-033-530-033-5 $65.51
47117828 .8125 Spi Master Setting Ring #30-032-730-032-7 $65.51
47117829 .7812 Spi Master Setting Ring #30-031-930-031-9 $65.51
47117830 25/32-1 X 32NDS Spi MasterRing Set (8 Pc) #30-030-1 $496.27
47117831 3/4 Spi Master Setting Ring #30-028-530-028-5 $50.23
47117832 .7187 Spi Master Setting Ring #30-027-730-027-7 $50.23
47117833 11/16 Spi Master Setting Ring #30-026-930-026-9 $50.23
47117834 .6562 Spi Master Setting Ring #30-025-130-025-1 $50.23
47117835 5/8 Spi Master Setting Ring #30-024-430-024-4 $50.23
47117836 .5937 Spi Master Setting Ring #30-023-630-023-6 $50.23
47117837 .5625 Spi Master Setting Ring #30-022-830-022-8 $50.23
47117838 .5312 Spi Master Setting Ring #30-021-030-021-0 $50.23
47117842 17/32-3/4 X 32NDS Spi MasterRing Set (8 Pc) #30-020-2 $395.49
47117843 1/2 Spi Master Setting Ring #30-019-430-019-4 $42.76
47117844 .4687 Spi Master Setting Ring #30-018-630-018-6 $42.76
47117845 7/16 Spi Master Setting Ring #30-017-830-017-8 $42.76
47117846 .4062 Spi Master Setting Ring #30-016-030-016-0 $42.76
47117916 3/8 Spi Master Setting Ring #30-015-230-015-2 $42.76
47117917 .3437 Spi Master Setting Ring #30-014-530-014-5 $42.76
47117918 5/16 Spi Master Setting Ring #30-013-730-013-7 $42.76
47117923 .2812 Spi Master Setting Ring #30-012-930-012-9 $42.76
47117924 1/4 Spi Master Setting Ring #30-011-130-011-1 $42.76
47117925 1/4-1/2 X 32NDS Spi MasterRing Set (9 Pc) #30-010-3 $343.57