Drill Bit

Product Name	Outside diameter(mm)	Inside diameter(mm)	Taper degree	Water holes	Item No.
Triangle Pole-Teeth Bits	38	22	70	2	Q438-722
	40	22	70	2	Q440-722
	42	22	70	2	Q442-722
	44	22	70	2	Q444-722
	46	22	70	2	Q446-722
Slanting Forging Flanged Bits	20	15	40	2	Y220-415
	22	16	40	2	Y222-416
	24	16	40	2	Y224-416
	26	18	40	2	Y226-418
	28	19	70	2	Y228-419
	30	19	70	2	Y230-419
	32	22	70	2	Y232-422
	34	22	70	2	Y234-422
	36	22	70	2	Y236-422
	38	22	70	2	Y238-422
	40	22	70	2	Y240-422
	42	22	70	2	Y242-422
	43	22	70	2	Y243-422
	44	22	70	2	Y244-422
	46	22	70	2	Y246-422
Seven Teeth Pole-Teeth Button	32	22	70	2	Q732-722
	34	22	70	2	Q734-722
	36	22	70	2	Q736-722
	38	22	70	2	Q738-722
	40	22	70	2	Q740-722
	42	22	70	2	Q742-722
Cross Bits	32	22	70	2	S132-722
	34	22	70	2	S134-722
	36	22	70	2	S136-722
	38	22	70	2	S138-722
	40	22	70	2	S140-722
	44	22	70	2	S144-722
	46	22	70	2	S146-722
	48	22	70	2	S148-722
	50	22	70	2	S150-722
	50	24	70	2	S150-724
	55	22	70	2	S155-722
	55	24	70	2	S155-724
	60	22	70	2	S160-722
	60	24	70	2	S160-724
	65	22	70	2	S165-722
	65	24	70	2	S165-724
	70	22	70	2	S170-722
	70	24	70	2	S170-724
Chisel Horse Bit	28	19	70	2	Y1 28-719
	30	19	70	2	Y1 30-719
	32	22	70	2	Y1 32-722
	34	22	70	2	Y1 34-722
	36	22	70	2	Y1 36-722
	38	22	70	2	Y1 38-722
	40	22	70	2	Y1 40-722
	42	22	70	2	Y1 42-722
	43	22	70	2	Y1 43-722
	44	22	70	2	Y1 44-722
	46	22	70	2	Y1 46-722
	48	22	70	2	Y1 48-722
	50	22	70	2	Y1 50-722
	50	24	70	2	Y1 50-724

Product Name	Outside diameter(mm)	Splines	Button number	Button type	Air holes	Item No.
DTH 15-Button Bits	110	6	15	spherical/ballistic	3	CIR110W
	123	6	15	spherical/ballistic	3	CIR123W
	150	6	15	spherical/ballistic	3	CIR150
	155	6	15	spherical/ballistic	3	CIR155
	165	6	15	spherical/ballistic	3	CIR165
	175	6	15	spherical/ballistic	3	CIR175
	185	6	15	spherical/ballistic	3	CIR185
	200	6	15	spherical/ballistic	3	CIR20
DTH button bits: 15 buttons, 6 splines, 3 water holes, and buttons can be spherical or ballistic.
DTH 10-Button Bits	68	6	10	spherical/ballistic	2	CIR68
	76	6	10	spherical/ballistic	2	CIR76
	80	6	10	spherical/ballistic	2	CIR80
	83	6	10	spherical/ballistic	2	CIR83
	90	6	10	spherical/ballistic	2	CIR90
	100	6	10	spherical/ballistic	2	CIR100
	130	6	10	spherical/ballistic	2	CIR130
	110	6	10	spherical/ballistic	2	CIR110
	123	6	10	spherical/ballistic	2	CIR123
DTH button bits: 10 buttons, 6 splines, 2 water holes, and the buttons can be spherical or ballistic.