Tender For supply of micrograin solid carbide drill dia 5.1 mm with point angle 140 degree and self centering geometry x , solid carbide micrograin drill dia 2.95 with point angle 140 degree and self centering geometry shan , micrograin solid carbide drill dia 3.8 mm with point angle 140 degree and self centering geometry x , solid carbide micrograin drill dia 4.2 with point angle 140 degree and self centering geometry, tial