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R4544 twist drill bit Series
Solid carbide TiAlN-coated long drills for precision drilling
The R4544 twist drill bit from dormer is designed for precision drilling applications where high accuracy and durability are critical. These solid carbide drills feature a TiAlN coating, which provides excellent wear resistance and improved surface finish quality. If you're working on projects that require tight tolerances and consistent hole diameters, these bits are an excellent choice.
One thing worth noting is their ability to handle tough materials like stainless steel and aluminum alloys without losing their edge. Engineers tend to reach for this type of drill when they need to ensure that holes are drilled to exact specifications, especially in aerospace or medical device manufacturing. The long flute design also allows for better chip evacuation, reducing the risk of clogging and improving overall efficiency.
Another practical benefit is their resistance to thermal shock, which means they can withstand rapid temperature changes during drilling without compromising their performance. This makes them particularly useful in high-volume production environments where drills might experience frequent temperature fluctuations. Overall, the R4544 twist drill bit is a reliable tool for anyone needing precision in their drilling operations.
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Frequently Asked Questions
R4544 twist drill bit - Part List
5 parts in total| Mfr Part # | Quantity Available | Price | Category | Diameter | Material | Angle of Throw | Diameter - Shank | Length - Overall | Type | Shank Type | Length - Actual | Series | Handle Type | Probe Temperature Range |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 1: ¥391.16 | - | 4mm | Solid Carbide | 140 | 6mm | 36mm | Long | Plain | 36mm | R454 | 直 | 140° | |
| 10 | 1: ¥397.01 | - | 4.5mm | Solid Carbide | 140 | 6mm | 36mm | Long | Plain | - | - | - | - | |
R4544.1 Solid Carbide TiAlN Long Drill 4.1mm Dormer R454 系列 74 mm 固体碳化物 长 钻头, 4.1mm 直径, 直 6mm 杆 Dormer | 10 | 1: ¥422.00 | - | 4.1mm | Solid Carbide | 140 | 6mm | 36mm | Long | Plain | 36mm | R454 | 直 | 140° |
| 10 | 1: ¥452.20 | - | 4.2mm | Solid Carbide | 140 | 6mm | 36mm | Long | Plain | 36mm | R454 | 直 | 140° | |
R4544.3 Solid Carbide TiAlN Long Drill 4.3mm Dormer R454 系列 74 mm 固体碳化物 长 钻头, 4.3mm 直径, 直 6mm 杆 Dormer | 165 | 1: ¥354.7628 | - | 4.3mm | Solid Carbide | 140 | 6mm | 36mm | Long | Plain | 36mm | R454 | 直 | 140° |


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