产品中心
荷兰 钨钢钻头（内冷）
● 整体硬质合金基材，配合高性能涂层工艺， 可大幅提高生产效率
● 独特刃口处理技术，强化刃口强度， 提高刀具耐磨性及稳定性
产品描述
| 型号 | 刃径 | 刃长 | 全长 | 柄径 | 刃数 |
| D | Lc | L | d | F | |
| NHKA030 | 3 | 20 | 62 | 4 | 2 |
| NHKA031 | 3.1 | 20 | 62 | 4 | 2 |
| NHKA032 | 3.2 | 20 | 62 | 4 | 2 |
| NHKA033 | 3.3 | 20 | 62 | 4 | 2 |
| NHKA034 | 3.4 | 20 | 62 | 4 | 2 |
| NHKA035 | 3.5 | 20 | 62 | 4 | 2 |
| NHKA036 | 3.6 | 20 | 62 | 4 | 2 |
| NHKA037 | 3.7 | 20 | 62 | 4 | 2 |
| NHKA038 | 3.8 | 24 | 66 | 4 | 2 |
| NHKA039 | 3.9 | 24 | 66 | 4 | 2 |
| NHKA040 | 4 | 24 | 66 | 4 | 2 |
| NHKA041 | 4.1 | 24 | 66 | 6 | 2 |
| NHKA042 | 4.2 | 24 | 66 | 6 | 2 |
| NHKA043 | 4.3 | 24 | 66 | 6 | 2 |
| NHKA044 | 4.4 | 24 | 66 | 6 | 2 |
| NHKA045 | 4.5 | 24 | 66 | 6 | 2 |
| NHKA046 | 4.6 | 24 | 66 | 6 | 2 |
| NHKA047 | 4.7 | 24 | 66 | 6 | 2 |
| NHKA048 | 4.8 | 28 | 66 | 6 | 2 |
| NHKA049 | 4.9 | 28 | 66 | 6 | 2 |
| NHKA050 | 5 | 28 | 66 | 6 | 2 |
| NHKA051 | 5.1 | 28 | 66 | 6 | 2 |
| NHKA052 | 5.2 | 28 | 66 | 6 | 2 |
| NHKA053 | 5.3 | 28 | 66 | 6 | 2 |
| NHKA054 | 5.4 | 28 | 66 | 6 | 2 |
| NHKA055 | 5.5 | 28 | 66 | 6 | 2 |
| NHKA056 | 5.6 | 28 | 66 | 6 | 2 |
| NHKA057 | 5.7 | 28 | 66 | 6 | 2 |
| NHKA058 | 5.8 | 28 | 66 | 6 | 2 |
| NHKA059 | 5.9 | 28 | 66 | 6 | 2 |
| NHKA060 | 6 | 28 | 66 | 6 | 2 |
| NHKA061 | 6.1 | 34 | 79 | 8 | 2 |
| NHKA062 | 6.2 | 34 | 79 | 8 | 2 |
| NHKA063 | 6.3 | 34 | 79 | 8 | 2 |
| NHKA064 | 6.4 | 34 | 79 | 8 | 2 |
| NHKA065 | 6.5 | 34 | 79 | 8 | 2 |
| NHKA066 | 6.6 | 34 | 79 | 8 | 2 |
| NHKA067 | 6.7 | 34 | 79 | 8 | 2 |
| NHKA068 | 6.8 | 34 | 79 | 8 | 2 |
| NHKA069 | 6.9 | 34 | 79 | 8 | 2 |
| NHKA070 | 7 | 34 | 79 | 8 | 2 |
| NHKA071 | 7.1 | 41 | 79 | 8 | 2 |
| NHKA072 | 7.2 | 41 | 79 | 8 | 2 |
| NHKA073 | 7.3 | 41 | 79 | 8 | 2 |
| NHKA074 | 7.4 | 41 | 79 | 8 | 2 |
| NHKA075 | 7.5 | 41 | 79 | 8 | 2 |
| NHKA076 | 7.6 | 41 | 79 | 8 | 2 |
| NHKA077 | 7.7 | 41 | 79 | 8 | 2 |
| NHKA078 | 7.8 | 41 | 79 | 8 | 2 |
| NHKA079 | 7.9 | 41 | 79 | 8 | 2 |
| NHKA080 | 8 | 41 | 79 | 8 | 2 |
| NHKA081 | 8.1 | 47 | 89 | 10 | 2 |
| NHKA082 | 8.2 | 47 | 89 | 10 | 2 |
| NHKA083 | 8.3 | 47 | 89 | 10 | 2 |
| NHKA084 | 8.4 | 47 | 89 | 10 | 2 |
| NHKA085 | 8.5 | 47 | 89 | 10 | 2 |
| NHKA086 | 8.6 | 47 | 89 | 10 | 2 |
| NHKA087 | 8.7 | 47 | 89 | 10 | 2 |
| NHKA088 | 8.8 | 47 | 89 | 10 | 2 |
| NHKA089 | 8.9 | 47 | 89 | 10 | 2 |
| 铸铁、碳素钢 | 合金钢、工具钢 | 调质钢、预硬钢 | 热处理钢 | 热处理钢 | 不锈钢 | 铝合金 | 钛合金 | 铜、铜合金 |
（~22HRC） | （25~35HRC） | （35~45HRC） | （45~55HRC） | （55~65HRC） | （~30HRC） | （~150HB） | （~32HRC） | C11000 |
S50C/HT250/Q235 | P20/H13/D2 | NAK80/718H/FDAC | SKD61/1.2343ESR | SKD11/SKH51 | SUS304/316/316L | 5052/6061/7075 | Ti-6Al-4V | B152C11000 |
| ◉ | ◉ | ◉ | ▣ | -- | ▣ | -- | -- | ▣ |
◉ 最适合 ▣ 适合 -- 不适合
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