Cemented carbide cutting tools
Through years of research, Ms. Qin Hanmei, the founder, discovered that the addition of rhenium element to hard alloys for cutting has led to a significant breakthrough in tool performance, characterized by three major features: high temperature resistance, high strength, and high hardness.
Super carbide cutting tools
General Twist GD Series
D20-25 General Machining
Suitable for efficient drilling of steel, cast iron, stainless steel and other materials.
Classification:
Twist Drill GD
Accessories:
E-mail:
GD Series- Drill Bit Dia. D16-20mm General Machining
Suitable for efficient drilling of steel, cast iron, stainless steel and other materials.
|
Drill Bit Dia. d1(m7) |
Drilling Depth |
Coolant |
Module Size |
Model | Dimension(mm) | Fitted Thread | Grade | |||||
|
Handle Dia. |
Length |
Slot Length |
Recommended Drilling Depth |
Handle Length |
Cutting Tap Thread Milling Cutter |
Thread Forming Tap | KDG3013 | |||||
| d₂(h₆) | l₁ | l₂ | l₃ | l₄ | ||||||||
| 20.0 | 3 | External | Straight | GD03-2000 | 20 | 131 | 79 | 55 | 50 | M22×2 | ||
| 5 | External | Straight | GD05-2000 | 20 | 153 | 101 | 77 | 50 | ||||
| 3 | Internal | Straight | GD03C-2000 | 20 | 131 | 79 | 55 | 50 | ||||
| 5 | Internal | Straight | GD05C-2000 | 20 | 153 | 101 | 77 | 50 | ||||
| 20.4 | 3 | External | Straight | GD03-2040 | 20 | 141 | 86 | 60 | 50 | 7/8-14UNF | ||
| 5 | External | Straight | GD05-2040 | 20 | 167 | 112 | 85 | 50 | ||||
| 3 | Internal | Straight | GD03C-2040 | 20 | 141 | 86 | 60 | 50 | ||||
| 5 | Internal | Straight | GD05C-2040 | 20 | 167 | 112 | 85 | 50 | ||||
| 20.5 | 3 | External | Straight | GD03-2050 | 20 | 141 | 86 | 60 | 50 | |||
| 5 | External | Straight | GD05-2050 | 20 | 167 | 112 | 85 | 50 | ||||
| 3 | Internal | Straight | GD03C-2050 | 20 | 141 | 86 | 60 | 50 | ||||
| 5 | Internal | Straight | GD05C-2050 | 20 | 167 | 112 | 85 | 50 | ||||
| 21.0 | 3 | External | Straight | GD03-2100 | 20 | 141 | 86 | 60 | 50 | M24×3 | 7/8-9UNC | |
| 5 | External | Straight | GD05-2100 | 20 | 167 | 112 | 85 | 50 | ||||
| 3 | Internal | Straight | GD03C-2100 | 20 | 141 | 86 | 60 | 50 | ||||
| 5 | Internal | Straight | GD05C-2100 | 20 | 167 | 112 | 85 | 50 | ||||
| 21.4 | 3 | External | Straight | GD03-2140 | 20 | 141 | 86 | 60 | 50 | 7/8-14UNF | ||
| 5 | External | Straight | GD05-2140 | 20 | 167 | 112 | 85 | 50 | ||||
| 3 | Internal | Straight | GD03C-2140 | 20 | 141 | 86 | 60 | 50 | ||||
| 5 | Internal | Straight | GD05C-2140 | 20 | 167 | 112 | 85 | 50 | ||||
| 21.5 | 3 | External | Straight | GD03-2150 | 20 | 141 | 86 | 60 | 50 | |||
| 5 | External | Straight | GD05-2150 | 20 | 167 | 112 | 85 | 50 | ||||
| 3 | Internal | Straight | GD03C-2150 | 20 | 141 | 86 | 60 | 50 | ||||
| 5 | Internal | Straight | GD05C-2150 | 20 | 167 | 112 | 85 | 50 | ||||
| 22.0 | 3 | External | Straight | GD03-2200 | 20 | 141 | 86 | 60 | 50 | M24×2 | ||
| 5 | External | Straight | GD05-2200 | 20 | 167 | 112 | 85 | 50 | ||||
| 3 | Internal | Straight | GD03C-2200 | 20 | 141 | 86 | 60 | 50 | ||||
| 5 | Internal | Straight | GD05C-2200 | 20 | 167 | 112 | 85 | 50 | ||||
| 22.25 | 3 | External | Straight | GD03-2225 | 25 | 153 | 95 | 65 | 56 | 1-8UNC | ||
| 5 | External | Straight | GD05-2225 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2225 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2225 | 25 | 184 | 126 | 98 | 56 | ||||
| 22.5 | 3 | External | Straight | GD03-2250 | 25 | 153 | 95 | 65 | 56 | |||
| 5 | External | Straight | GD05-2250 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2250 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2250 | 25 | 184 | 126 | 98 | 56 | ||||
| 23.0 | 3 | External | Straight | GD03-2300 | 25 | 153 | 95 | 65 | 56 | M25×2 | ||
| 5 | External | Straight | GD05-2300 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2300 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2300 | 25 | 184 | 126 | 98 | 56 | ||||
| 23.25 | 3 | External | Straight | GD03-2325 | 25 | 153 | 95 | 65 | 56 | 1-12UNF | ||
| 5 | External | Straight | GD05-2325 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2325 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2325 | 25 | 184 | 126 | 98 | 56 | ||||
| 23.5 | 3 | External | Straight | GD03-2350 | 25 | 153 | 95 | 65 | 56 | |||
| 5 | External | Straight | GD05-2350 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2350 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2350 | 25 | 184 | 126 | 98 | 56 | ||||
| 24.0 | 3 | External | Straight | GD03-2400 | 25 | 153 | 95 | 65 | 56 | M27×3 | 1-8UNC | |
| 5 | External | Straight | GD05-2400 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2400 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2400 | 25 | 184 | 126 | 98 | 56 | ||||
| 24.5 | 3 | External | Straight | GD03-2450 | 25 | 153 | 95 | 65 | 56 | 1-12UNF | ||
| 5 | External | Straight | GD05-2450 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2450 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2450 | 25 | 184 | 126 | 98 | 56 | ||||
| 25.0 | 3 | External | Straight | GD03-2500 | 25 | 153 | 95 | 65 | 56 | M27×2 11/8-7UNC |
||
| 5 | External | Straight | GD05-2500 | 25 | 184 | 126 | 98 | 56 | ||||
| 3 | Internal | Straight | GD03C-2500 | 25 | 153 | 95 | 65 | 56 | ||||
| 5 | Internal | Straight | GD05C-2500 | 25 | 184 | 126 | 98 | 56 | ||||
Work Piece List
| Grade | Mild Steel HB≤180 |
Carbon Steel Alloy Steel |
Pre-hardened Steel, Hardened Steel | Stainless Steel | Cast Iron | Nodular Cast Iron | Aluminium Alloy | Copper Alloy | Calorite | ||
| ~40HRC | ~50HRC | ~60HRC | |||||||||
| KDG3013 | o | ◎ | ◎ | o | ◎ | ◎ | o | o | |||
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Address: Building D1, Independent Pioneer Park, Tianyi Science and Technology City, 128 Chuangye Avenue, Zhuzhou City, Hunan Province
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