- Product Details
- {{item.text}}
Quick Details
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Place of Origin:
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Jiangsu, China
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Quick Details
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Type:
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Twist Drill Bit
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Use:
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Masonry Drilling
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Finish:
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ZINC, Plain, Other
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Place of Origin:
-
Jiangsu, China
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\:
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Product Name
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HSS drill bit
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Features
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1.The large increment of drill body makes the product not easy to break,
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2.The shape of drill body is better.The hole with thick core is easier
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3.Quenching temperature within 5 degrees temperature control, more stable quality;Morequenching toughness is better.
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4.The material contains cobalt so the thermal hardness can be better.
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D
|
L1
|
L2
|
D
|
L1
|
L2
|
|
1
|
56
|
33
|
8.2
|
165
|
109
|
|
1.1
|
60
|
37
|
8.3
|
165
|
109
|
|
1.2
|
65
|
41
|
8.4
|
165
|
109
|
|
1.3
|
65
|
41
|
8.5
|
165
|
109
|
|
1.4
|
70
|
45
|
8.6
|
175
|
115
|
|
1.5
|
70
|
45
|
8.7
|
175
|
115
|
|
1.6
|
76
|
50
|
8.8
|
175
|
115
|
|
1.7
|
76
|
50
|
8.9
|
175
|
115
|
|
1.8
|
80
|
53
|
9
|
175
|
115
|
|
1.9
|
80
|
53
|
9.1
|
175
|
115
|
|
2
|
85
|
56
|
9.2
|
175
|
115
|
|
2.1
|
85
|
56
|
9.3
|
175
|
115
|
|
2.2
|
90
|
56
|
9.4
|
175
|
115
|
|
2.3
|
90
|
56
|
9.5
|
175
|
115
|
|
2.4
|
95
|
62
|
9.6
|
184
|
121
|
|
2.5
|
95
|
62
|
9.7
|
184
|
121
|
|
2.6
|
95
|
62
|
9.8
|
184
|
121
|
|
2.7
|
100
|
66
|
9.9
|
184
|
121
|
|
2.8
|
100
|
66
|
10
|
184
|
121
|
|
2.9
|
100
|
66
|
10.1
|
184
|
121
|
|
3
|
100
|
66
|
10.2
|
184
|
121
|
|
3.1
|
106
|
69
|
10.3
|
184
|
121
|
|
3.2
|
106
|
69
|
10.4
|
184
|
121
|
|
3.3
|
106
|
69
|
10.5
|
184
|
121
|
|
3.4
|
112
|
73
|
10.6
|
184
|
121
|
|
3.5
|
112
|
73
|
10.7
|
195
|
128
|
|
3.6
|
112
|
73
|
10.8
|
195
|
128
|
|
3.7
|
112
|
73
|
10.9
|
195
|
128
|
|
3.8
|
119
|
78
|
11
|
195
|
128
|
|
3.9
|
119
|
78
|
11.1
|
195
|
128
|
|
4
|
119
|
78
|
11.2
|
195
|
128
|
|
4.1
|
119
|
78
|
11.3
|
195
|
128
|
|
4.2
|
119
|
78
|
11.4
|
195
|
128
|
|
4.3
|
126
|
82
|
11.5
|
195
|
128
|
|
4.4
|
126
|
82
|
11.6
|
195
|
128
|
|
4.5
|
126
|
82
|
11.7
|
195
|
128
|
|
4.6
|
126
|
82
|
11.8
|
195
|
128
|
|
4.7
|
126
|
82
|
11.9
|
205
|
134
|
|
4.8
|
132
|
87
|
12
|
205
|
134
|
|
4.9
|
132
|
87
|
12.1
|
205
|
134
|
|
5
|
132
|
87
|
12.2
|
205
|
134
|
|
5.1
|
132
|
87
|
12.3
|
205
|
134
|
|
5.2
|
132
|
87
|
12.4
|
205
|
134
|
|
5.3
|
132
|
87
|
12.5
|
205
|
134
|
|
5.4
|
139
|
91
|
12.6
|
205
|
134
|
|
5.5
|
139
|
91
|
12.7
|
205
|
34
|
|
5.6
|
139
|
91
|
12.8
|
205
|
134
|
|
5.7
|
139
|
91
|
12.9
|
205
|
134
|
|
5.8
|
139
|
91
|
13
|
205
|
134
|
|
5.9
|
139
|
91
|
13.1
|
205
|
134
|
|
6
|
139
|
91
|
13.2
|
205
|
134
|
|
6.1
|
148
|
97
|
13.3
|
214
|
140
|
|
6.2
|
148
|
97
|
13.4
|
214
|
140
|
|
6.3
|
148
|
97
|
13.5
|
214
|
140
|
|
6.4
|
148
|
97
|
13.6
|
214
|
140
|
|
6.5
|
148
|
97
|
13.7
|
214
|
140
|
|
6.6
|
148
|
97
|
13.8
|
214
|
140
|
|
6.7
|
148
|
97
|
13.9
|
214
|
140
|
|
6.8
|
156
|
102
|
14
|
214
|
140
|
|
6.9
|
156
|
102
|
14.5
|
220
|
144
|
|
7
|
156
|
102
|
15
|
220
|
144
|
|
7.1
|
156
|
102
|
15.5
|
227
|
149
|
|
7.2
|
156
|
102
|
16
|
227
|
149
|
|
7.3
|
156
|
102
|
16.5
|
235
|
154
|
|
7.4
|
156
|
102
|
17
|
235
|
154
|
|
7.5
|
156
|
102
|
17.5
|
241
|
158
|
|
7.6
|
165
|
109
|
18
|
241
|
158
|
|
7.7
|
165
|
109
|
18.5
|
247
|
162
|
|
7.8
|
165
|
109
|
19
|
247
|
162
|
|
7.9
|
165
|
109
|
19.5
|
254
|
166
|
|
8
|
165
|
109
|
20
|
254
|
166
|
|
8.1
|
165
|
109
|
|
|
|
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