Products of this series are suitable for soft and medium rock formations( less than F6) . With even and compacted surface, stable wear and impact resistance, the products are mainly used in the holing and supporting of both or three winged mining anchor shank drill bits. Product No. Diameter ( mm) Diamond Thickness ( mm) Height ( mm) Products Properties and Application Wear Ratio X 10000 Impact Resistance J Applicable Formation Application 1304 P 13.44 1.0-1.1 4.5 > 15 > 240 4-8 Mainly used in holing and supporting both or three winged mining anchor shank drill bit. 1304ZG 13.44 1.0 4.5 > 30 > 260 1004ZG 10 1.0 4.5 > 30 > 260 1304F 13.44 1.1-1.2 4.5 > 40 > 400 5-8 1304Y 13.44 1.0-1.2 4.8 > 55 > 800 8- 12 1304YS 13.44 1.3-1.5 5.0 > 60 > 800 8-12 1304Q 13.44 1.4-1.6 5.2-5.5 > 60 > 1 000 > 10-12 1304T 13.44 1.4-1.6 5.2-5.5 > 50 > 400 8-12 1304V 13.44 1.3-1.5 7.2 > 60 > 800 8-12 1305F 13.44 1.0-1.2 5.2-5.5 > 40 > 400 45 > 350 1308YS 13.44 1.9 -2.0 8.0 > 60 > 800 8-12 1308Q 13.44 2.0-2.2 8.2-8.5 > 60 > 1000 > 10-12 1308T 13 .44 1.4-1.6 8.2-8.5 > 50 > 400 > 8-12 NOTE: Non-standard products can be supplied on request.