| 
						
							| TAPER | a° | L | L1 | L2 | D | d1 | d2 | d3 | M |  
							| 
								NBLBT30X90˚ | 
								90 | 
								43 | 
								23 | 
								18 | 
								16.5 | 
								11 | 
								7 | 
								12.5 | 
								M12 |  
							| 
								NBLBT30X60˚ | 
								60 | 
								43 | 
								23 | 
								18 | 
								16.5 | 
								11 | 
								7 | 
								12.5 | 
								M12 |  
							| 
								NBLBT30X45˚ | 
								45 | 
								43 | 
								23 | 
								18 | 
								16.5 | 
								11 | 
								7 | 
								12.5 | 
								M12 |  
							| 
								NBLBT40X90˚ | 
								90 | 
								60 | 
								35 | 
								28 | 
								23 | 
								15 | 
								10 | 
								17 | 
								M16 |  
							| 
								NBLBT40X45˚ | 
								45 | 
								60 | 
								35 | 
								28 | 
								23 | 
								15 | 
								10 | 
								17 | 
								M16 |  
							| 
								NBLBT40X60˚ | 
								60 | 
								60 | 
								35 | 
								28 | 
								23 | 
								15 | 
								10 | 
								17 | 
								M16 |  
							| 
								NBLBT50X90˚ | 
								90 | 
								85 | 
								45 | 
								35 | 
								38 | 
								23 | 
								17 | 
								25 | 
								M24 |  
							| 
								NBLBT50X45˚ | 
								45 | 
								85 | 
								45 | 
								35 | 
								38 | 
								23 | 
								17 | 
								25 | 
								M24 |  
							| 
								NBLBT50X60˚ | 
								60 | 
								85 | 
								45 | 
								35 | 
								38 | 
								23 | 
								17 | 
								25 | 
								M24 |  |