Best Drill Bits for Metal

Best Hss Fully Ground Twist Drill Bits

Best HSS Drill Bits with black and gold surface to make the drill bit harder and more wear-resistant than other drill bits
Three flatted shank can for better chuck grip
Turbo Max Point for clean entry, fast start and stays sharp longer
No need center punch tool

Product Details
Factory
Material

Product Description
More Choice For You: Home > HSS Drill Bit
Product Name	Cheap Price Three-flatted Shank HSS Twist Drill Bit Turbo Max Tip for Angle Iron
Material	M2 HSS 6542 ( M35 HSS-E HSS-Co5% )
Process	Fully Ground (Also have Rolled & Polished, Rolled, Milled)
Standard	DIN338 (Stub DIN1897, Long DIN340, Extra Long DIN1869, Blacksmith Reduced Shank 10mm, 13mm, DIN345 Taper Shank are Available) Jobber Length (Also have Stub Screw Machine Length, Long Taper Length, Aircraft Extension, Extra Long 12″, 18″, 24″, Silver & Deming 1/2″ Reduced Shank)
Size	1/16″ – 1″ (0.5mm-25mm)
Point Type	Turbo Max Point (Also have 118 Degree Regular Point, 135 Degree Split Point, Pilot Point)
Shank Type	Tri-Flats Shank (Also have Straight Shank, Hex Shank, Double R Hex Shank, Reduced Shank, Threaded Hex Shank, Taper Shank )
Helix Angle	Regular Spiral Type N (Also have Slow Spiral Type H, Fast Spiral Type W, Left Hand Spiral)
Web & Flute Type	Regular Web & Flute (Also have Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute)
Surface Finish	Black & Amber (Also have Bright, Black Oxide, Black & Gold, Titanium, Black & Bright, Amber Color)
Package	10/5 Pcs in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell
Features	1.M2 drill bits are more expensive than other drill bits, but drilling in stainless steel, long life, best choose 2.No need center punch, Turbo Max Point drills on contact and prevents walking 3. Precision ground point, flutes, body, clearance, and drill diameter for the ultimate in accuracy and performance 4. Ground flutes provide fast chip to remove maximize, efficiency along the full working surface of the bit

Product Size
DIN338
Diameter(mm)	Flute Length(mm)	Overall Length(mm)	Diameter(mm)	Flute Length(mm)	Overall Length(mm)
0.5	6	22	9.5	81	125
1.0	12	34	10.0	87	133
1.5	20	43	10.5	87	133
2.0	24	49	11.0	94	142
2.5	30	57	11.5	94	142
3.0	33	61	12.0	101	151
3.2	36	65	12.5	101	151
3.5	39	70	13.0	101	151
4.0	43	75	13.5	108	160
4.2	43	75	14.0	108	160
4.5	47	80	14.5	114	169
4.8	52	86	15.0	114	169
5.0	52	86	15.5	120	178
5.2	52	86	16.0	120	178
5.5	57	93	16.5	125	184
6.0	57	93	17.0	125	184
6.5	63	101	17.5	130	191
7.0	69	109	18.0	130	191
7.5	69	109	18.5	135	198
8.0	75	117	19.0	135	198
8.5	75	117	19.5	140	205
9.0	81	125	20.0	140	205
Jobber Length Fraction
Diameter (Inch)	Flute Length(Inch)	Overall Length(mm)	Diameter (Inch)	Flute Length(Inch)	Overall Length(mm)
3/64″	3/4″	1-3/4″	25/64″	3-3/4″	5-1/8″
1/16″	7/8″	1-7/8″	13/32″	3-7/8″	5-1/4″
5/64″	1″	2″	27/64″	3-15/16″	5-3/8″
3/32″	1-1/8″	2-1/4″	7/16″	4-1/16″	5-1/2″
7/64″	1-1/2″	2-5/8″	29/64″	4-3/16″	5-5/8″
1/8″	1-5/8″	2-3/4″	15/32″	4-5/16″	5-3/4″
9/64″	1-3/4″	2-7/8″	31/64″	4-3/8″	5-7/8″
5/32″	2″	3-1/8″	1/2″	4-1/2″	6″
11/64″	2-1/8″	3-1/4″	33/64″	4-13/16″	6-5/8″
3/16″	2-5/16″	3-1/2″	17/32″	4-13/16″	6-5/8″
13/64″	2-7/16″	3-5/8″	35/64″	4-13/16″	6-5/8″
7/32″	2-1/2″	3-3/4″	9/16″	4-13/16″	6-5/8″
15/64″	2-5/8″	3-7/8″	37/64″	4-13/16″	6-5/8″
1/4″	2-3/4″	4″	19/32″	5-3/16″	7-1/8″
17/64″	2-7/8″	4-1/8″	39/64″	5-3/16″	7-1/8″
9/32″	2-15/16″	4-1/4″	5/8″	5-3/16″	7-1/8″
19/64″	3-1/16″	4-3/8″	41/64″	5-3/16″	7-1/8″
5/16″	3-3/16″	4-1/2″	21/32″	5-3/16″	7-1/8″
21/64″	3-5/16″	4-5/8″	43/64″	5-5/8″	7-5/8″
11/32″	3-7/16″	4-3/4″	11/16″	5-5/8″	7-5/8″
23/64″	3-1/2″	4-7/8″
3/8″	3-5/8″	5″
Jobber Length Number
Diameter	Flute Length(Inch)	Overall Length(mm)	Diameter	Flute Length(Inch)	Overall Length(mm)
1#	2-5/8″	3-7/8″	31″	1-5/8″	2-3/4″
2#	2-5/8″	3-7/8″	32″	1-5/8″	2-3/4″
3#	2-1/2″	3-3/4″	33″	1-1/2″	2-5/8″
4#	2-1/2″	3-3/4″	34″	1-1/2″	2-5/8″
5#	2-1/2″	3-3/4″	35″	1-1/2″	2-5/8″
6#	2-1/2″	3-3/4″	36″	1-7/16″	2-1/2″
7#	2-7/16″	3-5/8″	37″	1-7/16″	2-1/2″
8#	2-7/16″	3-5/8″	38″	1-7/16″	2-1/2″
9#	2-7/16″	3-5/8″	39″	1-3/8″	2-3/8″
10#	2-7/16″	3-5/8″	40″	1-3/8″	2-3/8″
11#	2-5/16″	3-1/2″	41″	1-3/8″	2-3/8″
12#	2-5/16″	3-1/2″	42″	1-1/4″	2-1/4″
13#	2-5/16″	3-1/2″	43″	1-1/4″	2-1/4″
14#	2-3/16″	3-3/8″	44″	1-1/8″	2-1/8″
15#	2-3/16″	3-3/8″	45″	1-1/8″	2-1/8″
16#	2-3/16″	3-3/8″	46″	1-1/8″	2-1/8″
17#	2-3/16″	3-3/8″	47″	1″	2″
18#	2-1/8″	3-1/4″	48″	1″	2″
19#	2-1/8″	3-1/4″	49″	1″	2″
20#	2-1/8″	3-1/4″	50″	1″	2″
21#	2-1/8″	3-1/4″	51″	1″	2″
22#	2″	3-1/8″	52″	7/8″	1-7/8″
23#	2″	3-1/8″	53″	7/8″	1-7/8″
24#	2″	3-1/8″	54″	7/8″	1-7/8″
25#	1-7/8″	3″	55″	7/8″	1-7/8″
26#	1-7/8″	3″	56″	3/4″	1-3/4″
27#	1-7/8″	3″	57″	3/4″	1-3/4″
28#	1-3/4″	2-7/8″	58″	11/16″	1-5/8″
29#	1-3/4″	2-7/8″	59″	11/16″	1-5/8″
30#	1-5/8″	2-3/4″	60″	11/16″	1-5/8″
Jobber Length Letter
Diameter	Flute Length(Inch)	Overall Length(mm)	Diameter (Inch)	Flute Length(Inch)	Overall Length(mm)
A	2-5/8″	3-7/8″	N	3-1/16″	4-3/8″
B	2-3/4″	4″	O	4-1/2″	4-1/2″
C	2-3/4″	4″	P	4-5/8″	4-5/8″
D	2-3/4″	4″	Q	4-3/4″	4-3/4″
E	2-3/4″	4″	R	4-3/4″	4-3/4″
F	2-7/8″	4-1/8″	S	4-7/8″	4-7/8″
G	2-7/8″	4-1/8″	T	4-7/8″	4-7/8″
H	2-7/8″	4-1/8″	U	5″	5″
I	2-7/8″	4-1/8″	V	3-5/8″	5″
J	2-7/8″	4-1/8″	W	3-3/4″	5-1/8″
K	2-15/16″	4-1/4″	X	3-3/4″	5-1/8″
L	2-15/16″	4-1/4″	Y	3-7/8″	5-1/4″
M	3-1/16″	4-3/8″	Z	3-7/8″	5-1/4″
* Custom-tailor would be available against customers’ requirements

Factory

The best hss drill bits consist of three flatted shank and turbo max point, three flatted shank can help you better chuck grip the hammer drill and the turbo max point is for clean entry, fast start. Black and amber surfing make the drill bits harder and extend the use life.

Material: M2 HSS 6542
Finish: Black & Amber
Process: Fully Ground

The best hss drill bits usually used to drill on the metal, iron, stainless steel, etc.

Use for a long life time, small and easy to carry.