Basic Info
Model NO.: LFJS
Certification: BIN, API
Classification: Impact Drill
Impact Drill Head: Impact Drill
Condition: New
Specification: 2.5mm to 13mm, different model different sizes
Straight: Lfjs
Origin: Hunan, Changsha
Customized: Customized
Type: Impact Drill
Applications: Building and Industrial
Drill Shape: Round
Impact Drill Structure: Straight Shank Twist Drill
Various Size Can Be Your Choose: Straight Shank Twist Drill
Trademark: LFJS
Product Description
HSS Straight shank twist drill
Fabrication process: rolling (twist forging)/milling(grinding)/polishing
Application:drlling on all kinds of work material:cast iron, #45 steel, free-cutting steel,general steel,alloy steel, copper alloy,aluminum alloy,graphite, wood , glass fiber,cement...etc.
Coating:titanium coating /black coating/white coating.
Professional equipment for twist drill production
Fully scale detection equipment
Grade:M2(6542),4241,4341,M35
HSS GRADE |
HRC |
CHEMICAL COMPOSITION (%) |
International | DIN | ASTM | JIS | ||||
|
|
C | W | Mo | Cr | V |
|
|
|
|
W4Mo2Cr4V(4241) | 60-62 | 0.9-1.0 | 1.5-2.5 | 0.5-1.2 | 3.8-6.0 | 0.5-1.0 | T-4241 | / | / | / |
W4Mo3Cr4V(4341) | 62-65 | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.3-1.7 | 4341 | W4 | / | / |
W6Mo5Cr4V2(M2) | 63-66 | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 6542 | M2 | M2 | SKH51 |
W6Mo5Cr4V2Co5(M35) | 64-67 | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | Co:4.50-5.50 | M35 | M35 | SKH55 |
Size parameter table
Dimeter |
Full length |
Blade length |
Diameter |
Full length |
Blade length |
Diameter |
Full length |
Blade length |
3 | 61 | 33 | 7.5 | 109 | 69 | 12 | 151 | 101 |
3.1 | 65 | 36 | 7.6 | 117 | 75 | 12.1 | 151 | 101 |
3.2 | 65 | 36 | 7.7 | 117 | 75 | 12.2 | 151 | 101 |
3.3 | 65 | 36 | 7.8 | 117 | 75 | 12.3 | 151 | 101 |
3.4 | 70 | 39 | 7.9 | 117 | 75 | 12.4 | 151 | 101 |
3.5 | 70 | 39 | 8 | 117 | 75 | 12.5 | 151 | 101 |
3.6 | 70 | 39 | 8.1 | 117 | 75 | 12.6 | 151 | 101 |
3.7 | 70 | 39 | 8.2 | 117 | 75 | 12.7 | 151 | 101 |
3.8 | 75 | 43 | 8.3 | 117 | 75 | 12.8 | 151 | 101 |
3.9 | 75 | 43 | 8.4 | 117 | 75 | 12.9 | 151 | 101 |
4 | 75 | 43 | 8.5 | 117 | 75 | 13 | 151 | 101 |
4.1 | 75 | 43 | 8.6 | 125 | 81 | 13.1 | 151 | 101 |
4.2 | 75 | 43 | 8.7 | 125 | 81 | 13.2 | 151 | 101 |
4.3 | 80 | 47 | 8.8 | 125 | 81 | 13.3 | 160 | 103 |
4.4 | 80 | 47 | 8.9 | 125 | 81 | 13.4 | 160 | 103 |
4.5 | 80 | 47 | 9 | 125 | 81 | 13.5 | 160 | 103 |
4.6 | 80 | 47 | 9.1 | 125 | 81 | 13.6 | 160 | 103 |
4.7 | 80 | 47 | 9.2 | 125 | 81 | 13.7 | 160 | 103 |
4.8 | 86 | 52 | 9.3 | 125 | 81 | 13.8 | 160 | 103 |
4.9 | 86 | 52 | 9.4 | 125 | 81 | 13.9 | 160 | 103 |
5 | 86 | 52 | 9.5 | 125 | 81 | 14 | 160 | 103 |
5.1 | 86 | 52 | 9.6 | 125 | 81 | 14.25 | 169 | 114 |
5.2 | 86 | 52 | 9.7 | 133 | 87 | 14.5 | 169 | 114 |
5.3 | 86 | 52 | 9.8 | 133 | 87 | 14.75 | 169 | 114 |
5.4 | 93 | 57 | 9.9 | 133 | 87 | 15 | 169 | 114 |
5.5 | 93 | 57 | 10 | 133 | 87 | 15.25 | 178 | 120 |
5.6 | 93 | 57 | 10.1 | 133 | 87 | 15.5 | 178 | 120 |
5.7 | 93 | 57 | 10.2 | 133 | 87 | 15.75 | 178 | 120 |
5.8 | 93 | 57 | 10.3 | 133 | 87 | 16 | 178 | 120 |
5.9 | 93 | 57 | 10.4 | 133 | 87 | 16.25 | 184 | 125 |
6 | 93 | 57 | 10.5 | 133 | 87 | 16.5 | 184 | 125 |
6.1 | 101 | 63 | 10.6 | 133 | 87 | 16.75 | 184 | 125 |
6.2 | 101 | 63 | 10.7 | 142 | 94 | 17 | 184 | 125 |
6.3 | 101 | 63 | 10.8 | 142 | 94 | 17.25 | 191 | 130 |
6.4 | 101 | 63 | 10.9 | 142 | 94 | 17.5 | 191 | 130 |
6.5 | 101 | 63 | 11 | 142 | 94 | 17.75 | 191 | 130 |
6.6 | 101 | 63 | 11.1 | 142 | 94 | 18 | 191 | 130 |
6.7 | 101 | 63 | 11.2 | 142 | 94 | 18.25 | 198 | 135 |
6.8 | 109 | 69 | 11.3 | 142 | 94 | 18.5 | 198 | 135 |
6.9 | 109 | 69 | 11.4 | 142 | 94 | 18.75 | 198 | 135 |
7 | 109 | 69 | 11.5 | 142 | 94 | 19 | 198 | 135 |
7.1 | 109 | 69 | 11.6 | 142 | 94 | 19.25 | 205 | 140 |
7.2 | 109 | 69 | 11.7 | 142 | 94 | 19.5 | 205 | 140 |
7.3 | 109 | 69 | 11.8 | 142 | 94 | 19.75 | 205 | 140 |
7.4 | 109 | 69 | 11.9 | 151 | 101 | 20 | 205 | 140 |