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8PCS Masonry Drill Bits Set (TS-MD-8S)

1.Material: 45#carbon steel, or 40Cr steel. Tip:YG8C
2.Flute: R type, U type, L type, double flutes type etc.
3.Surface: Nickelplated.(Bright finished,Zinc plated,Chorme plated,Nickle plated, Milled-sand blasted, Black&sliver,Titanium coated).
4.Size: 3mm-40mm. Length:50mm-600mm.
5.Process art: cold roll forged. milled.
6.Standard: DIN8039
7.Masonry drill bit is used in building industry, installation, boring holes and so on.for drilling concrete,rock,masonry,marble and block etc.
8.Special designed flute geometry remove dust from the hole quicker for fast drilling and long life.
9. they are produced according to DIN / ANSI standards, we are also capable for OEM and ODM production.
10. Set Diameter Size: 3mm-4mm-5mm-6mm-7mm-8mm-9mm-10mm.

Diameter		Flute	Overall	Flute	Overall	Flute	Overall	Flute	Overall	Flute	Overall	Flute	Overall
Size	Size	Length	Length	Length	Length	Length	Length	Length	Length	Length	Length	Length	Length
mm	Inch	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
3	1/8"	30	60
4	5/32	40	75
5	3/16"	50	85	85	150
6	15/64	60	100	85	150	135	200	200	300	300	400	450	600
6.5	1/4"	60	100	85	150	135	200	200	300	300	400	450	600
7	9/32	60	100	85	150	135	200	200	300	300	400	450	600
8	5/16"	80	120	85	150	135	200	200	300	300	400	450	600
9	11/32	80	120	85	150	135	200	200	300	300	400	450	600
10	3/8"	80	120	85	150	135	200	200	300	300	400	450	600
11	7/16"	85	150			135	200	200	300	300	400	450	600
12	15/32	85	150			135	200	200	300	300	400	450	600
13	1/2"	95	150			135	200	200	300	300	400	450	600
14	9/16"	95	150			135	200	200	300	300	400	450	600
15	19/32	95	150			135	200	200	300	300	400	450	600
16	5/8"	95	150			135	200	200	300	300	400	450	600
17	11/16"	95	150			135	200	200	300	300	400	450	600
18	11/16"	105	160			135	200	200	300	300	400	450	600
19	3/4"	105	160			135	200	200	300	300	400	450	600
20	25/32	105	160			135	200	200	300	300	400	450	600
22	7/8"	105	160			135	200	200	300	300	400	450	600
24	15/16	105	160			135	200	200	300	300	400	450	600
25	1	105	160			135	200	200	300	300	400	450	600