Product Name |
Customize 1/16”-3/8” 21Pcs Inch Fully Ground HSS Cobalt Drill Bits Set in Metal Box |
|
Material |
HSS (High Speed Steel), HSS M2, HSS M35 Cobalt 5% |
|
Process |
Edge Ground, Edge Ground Tin-Coated, Fully Ground |
|
Standard |
DIN338 |
|
Size |
1/16”-3/8” 21Pcs/set |
|
Point Type |
118 Degree/135 degree |
|
Shank Type |
Straight Shank |
|
Surface Finish |
Bright (Sliver), Tin-coated golden, Amber cobalt color |
|
N.W./G.W. |
20/21kg |
|
Features |
1. HSS drill bit sets have extremely high hardness, in the drilling work has excellent processing performance, all grinding sharp ligament sticky milling work hole smooth no burr. 2. With good toughness of materials, wear resistance and drilling ability, the drill bit set tools apply to cast iron, copper and aluminum die steel alloy steel. 3.Gold-oxide coating resists heat build-up and lengthens bit life. 4.Removable cartridges: easy to carry bits from case to worksite. 5.Suitable for a range of electric drills and drilling machines thanks to our straight shank design. |
|
Packing and |
Package :21pieces in a PVC box or bags , packed in a single plastic tube, we can customize the packing according to your requirements. |
Diameters |
Overall length |
Flute length |
Diameters |
Overall length |
Flute length |
mm |
mm |
mm |
inch |
inch |
inch |
1.0 |
34 |
12.0 |
1/16" |
1-7/8" |
7/8" |
1.5 |
43 |
20.0 |
5/64" |
2" |
1" |
2 |
49 |
24.0 |
3/32" |
2-1/4" |
1-1/8" |
2.5 |
57 |
30.0 |
7/64" |
2-5/8" |
1-1/2" |
3.0 |
61 |
33.0 |
1/8" |
2-3/4" |
1-5/8" |
3.2 |
65 |
36.0 |
9/64" |
2-7/8" |
1-3/4" |
3.5 |
70 |
39.0 |
5/32" |
3-1/8" |
2" |
4.0 |
75 |
46.0 |
11/64" |
3-1/4" |
2-1/8" |
4.2 |
75 |
46.0 |
3/16" |
3-1/2" |
2-5/16" |
4.5 |
80 |
47.0 |
13/64" |
3-5/8" |
2-7/76" |
4.8 |
86 |
52.0 |
7/32" |
3-3/4" |
2-1/2" |
5.0 |
86 |
52.0 |
15/64" |
3-7/8" |
2-5/8" |
5.2 |
86 |
52.0 |
1/4" |
4" |
2-3/4" |
5.5 |
93 |
57.0 |
17/67" |
4-1/8" |
2-7/8" |
6.0 |
93 |
57.0 |
9/32" |
4-1/4" |
2-15/16" |
6.5 |
101 |
63.0 |
19/64" |
4-3/8" |
3-1/16" |
7.0 |
109 |
69.0 |
5/16" |
4-1/2" |
3-3/16" |
7.5 |
109 |
69.0 |
21/64" |
4-5/8" |
3-5/16" |
8.0 |
117 |
75.0 |
11/31" |
4-3/4" |
3-7/16" |
8.5 |
117 |
75.0 |
23/64" |
4-7/8" |
3-1/2" |
9.0 |
125 |
81.0 |
3/8" |
5" |
3-5/8" |
-We have larger warehouse to shock products for delivery on time.
-We have professional sale and technology team to serve our customers to ensure your shopping experience
-Our products with best material HSS M35 to ensure our twist drill bits sharp and fast drilling ;
-Stable quality and widely use for hole drilling in hard material;
-Because our is factory,we can supply competitive price.
-The samples are free,freight is collected.If we can have your order ,we will decrease the freight cost from our first order.
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