5倍径U钻钻头为最长款的U钻，其最大的有效深度为3倍径。麻花钻在钻削一段时间后变钝就需要进行重磨，而U钻采用的是可更换刀片式的设计在刀片破损以后只需要更换刀片即可，从而无需再重磨钻头，耗费人力时间。钻的钻片根据不同的规格可以应用于铸钢件、铸铁、合金钢、不锈钢、铝合金等材料
长 径 倍 数：5倍径
加工直径范围：D14~D68mm
加工长度范围：0~340mm
U钻刀 片 类 型：WC桃形刀片或SP菱形刀片
长 径 倍 数：5倍径
加工直径范围：D14~D68mm
加工长度范围：0~340mm
U钻刀 片 类 型：WC桃形刀片或SP菱形刀片
| 规格型号 | 刃部直径(D) | 刃部长度(L) | 柄部直径(d) | 适应刀片 |
| E25-D14-70 | 14 | 70 | 25 | WDMX030208 |
| E25-D14.5-72.5 | 14.5 | 72.5 | ||
| E25-D15-75 | 15 | 75 | ||
| E25-D15.5-77.5 | 15.5 | 77.5 | ||
| E25-D16-80 | 16 | 80 | ||
| E25-D16.5-82.5 | 16.5 | 82.5 | ||
| E25-D17-85 | 17 | 85 | ||
| E25-D17.5-87.5 | 17.5 | 87.5 | ||
| E25-D18-90 | 18 | 90 | ||
| E25-D18.5-92.5 | 18.5 | 92.5 | ||
| E25-D19-95 | 19 | 95 | ||
| E25-D19.5-97.5 | 19.5 | 97.5 | ||
| E25-D20-100 | 20 | 100 | WDMX040208 | |
| E25-D20.5-102.5 | 20.5 | 102.5 | ||
| E25-D21-105 | 21 | 105 | ||
| E25-D21.5-107.5 | 21.5 | 107.5 | ||
| E25-D22-110 | 22 | 110 | ||
| E25-D22.5-112.5 | 22.5 | 112.5 | ||
| E25-D23-115 | 23 | 115 | ||
| E25-D23.5-117.5 | 23.5 | 117.5 | ||
| E25-D24-120 | 24 | 120 | WDMT050308 | |
| E25-D24.5-122.5 | 24.5 | 122.5 | ||
| E32-E25-125 | 25 | 125 | 32 | |
| E32-E25.5-127.5 | 25.5 | 127.5 | ||
| E32-D26-130 | 26 | 130 | ||
| E32-D26.5-132.5 | 26.5 | 132.5 | ||
| E32-D27-135 | 27 | 135 | ||
| E32-D27.5-137.5 | 27.5 | 137.5 | ||
| E32-D28-140 | 28 | 140 | ||
| E32-D28.5-142.5 | 28.5 | 142.5 | ||
| E32-D29-145 | 29 | 145 | ||
| E32-D29.5-147.5 | 29.5 | 147.5 | ||
| E32-D30-150 | 30 | 150 | ||
| E32-D30.5-152.5 | 30.5 | 152.5 | ||
| E32-D31-155 | 31 | 155 | WDMT06T308 | |
| E32-D31.5-157.5 | 31.5 | 157.5 | ||
| E32-E32-160 | 32 | 160 | ||
| E32-E32.5-162.5 | 32.5 | 162.5 | ||
| E32-D33-165 | 33 | 165 | ||
| E32-D33.5-167.5 | 33.5 | 167.5 | ||
| E32-D34-170 | 34 | 170 | ||
| E32-D34.5-172.5 | 34.5 | 172.5 | ||
| E32-D35-175 | 35 | 175 | ||
| E32-D35.5-177.5 | 35.5 | 177.5 | ||
| E32-D36-180 | 36 | 180 | ||
| E32-D36.5-182.5 | 36.5 | 182.5 | ||
| E32-D37-185 | 37 | 185 | ||
| E32-D37.5-187.5 | 37.5 | 187.5 | ||
| E32-E38-190 | 38 | 190 | ||
| E32-E38.5-192.5 | 38.5 | 192.5 | ||
| E32-D39-195 | 39 | 195 | ||
| E32-D39.5-197.5 | 39.5 | 197.5 | ||
| E32-E40-200 | 40 | 200 | ||
| E32-E40.5-202.5 | 40.5 | 202.5 | ||
| E32-D41-205 | 41 | 205 | ||
| E32-D41.5-207.5 | 41.5 | 207.5 | ||
| E40-D42-210 | 42 | 210 | 40 | WDMT080412 |
| E40-D43-215 | 43 | 215 | ||
| E40-D44-220 | 44 | 220 | ||
| E40-D45-225 | 45 | 225 | ||
| E40-D46-230 | 46 | 230 | ||
| E40-D47-235 | 47 | 235 | ||
| E40-D48-240 | 48 | 240 | ||
| E40-D49-245 | 49 | 245 | ||
| E40-D50-250 | 50 | 250 | ||
| E40-D51-255 | 51 | 255 | ||
| E40-D52-260 | 52 | 260 | ||
| E40-D53-265 | 53 | 265 | ||
| E40-D54-270 | 54 | 270 | ||
| E40-D55-275 | 55 | 275 | ||
| E40-D56-280 | 56 | 280 | ||
| E40-D57-285 | 57 | 285 | ||
| E40-D58-290 | 58 | 290 | ||
| E40-D59-295 | 59 | 295 | ||
| E40-D60-300 | 60 | 300 | ||
| E40-D61-305 | 61 | 305 | ||
| E40-D62-310 | 62 | 310 | ||
| E40-D63-315 | 63 | 315 | WDMT06T308 | |
| E40-D64-320 | 64 | 320 | ||
| E40-D65-325 | 65 | 325 | ||
| E40-D66-330 | 66 | 330 | ||
| E40-D67-335 | 67 | 335 | ||
| E40-D68-340 | 68 | 340 |