1.Material: carbide

2.color: red green blue or as you demand

3.Types of bearing: journal bearing

4.Processing Type: foring

5.Size: 9 5/8" 244.5mm &other

6.Types of sealing: rubber or metal sealed

7.Packing: plywood box

8.Pin shank size: 6 5/8reg or other

9.certification: API

Product Feature
(1) Strong resistance to abrasion and impact resistance. (2) Cutter's quality performance is good , (3) long work life (4) stocks adequate, time delivery (5) rich experience in drill bit (6) good after-sales service (7) High quality, competitive price