1/2 Gas Thread CNC Blind Hole Bits

• Standard: BIN
• Length: 60mm
• Type: Core Drill Bit
• Material: Diamond
• Usage: Well Drilling, Masonry Drilling
• Transport Package: Carboard Box
• Model NO.: BSD44
• Specification: 34
• Trademark: BEST
• Origin: China
• HS Code: 8207
• Production Capacity: 4000

Product Description

These bits are a great time savers when coring natural stone countertops, while not leaving the stone core behind.

Available in ½ Gas thread with sizes from ¼ inch to over ½ inch in diameter.

Advantages:

• Fast cutting speed
• Long life
• ½ Gas thread
• No stone core left behind

 

Diamond Drill bit
Outer diameter		Working length		Segment height		Thread
inch	mm	inch	mm	inch	mm
0.24	6	1.97	50	0.39	10	G1/2", 5/8"-11
0.31	8	2.36	60
0.39	10
0.47	12
0.55	14
0.63	16
0.71	18
0.79	20

 

 

Diamond Core Drill
Out Diameter		Working Length		Segment Hight
(mm)	(inch)	(mm)	(inch)	(mm)	(inch)
25	0.98	60	2.36	8	0.31
30	1.18	60	2.36	8	0.31
35	1.38	60	2.36	8	0.31
40	1.57	60	2.36	8	0.31
45	1.77	60	2.36	8	0.31
50	1.97	60	2.36	8	0.31
55	2.17	60	2.36	8	0.31
60	2.36	60	2.36	8	0.31
70	2.76	60	2.36	8	0.31
75	2.95	60	2.36	8	0.31
For drilling stones, concrete and brick walls, etc.

 

**Big diameter core drill with more working length:

Diameter (mm)	working length 1 (mm)	working length 2 (mm)	working length 3 (mm)	segment height (mm)	connections
82	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
92	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
100	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
112	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
122	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
127	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
152	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
178	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
200	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
225	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
252	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
300	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
305	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
352	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
400	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
450	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
505	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
550	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16
600	360	400	450	10	1-1/4",5/8-11" G1/2" M14 M16

 customized specification is available.