Chicago-Latrobe 55263 120 DHT 31/64

Chicago-Latrobe -

Taper Length Drill- Series: 120DH-TN- 31/64 in Drill - Fraction- 0.4844 in Drill - Decimal Inch- 7-3/4 in Overall Length- 3-7/16 in Cutting Depth- 2 Flutes- Parabolic/Spiral Flute- 3-7/16 in Flute Length- 31/64 in Shank- Tanged Shank- 135 deg Point- K-Notch Split Point- Right Hand Cutting Direction- HSS Cutting Edge- HSS- TiN Coated- Applicable Materials: Low Carbon Steel and Soft Alloy Steel Characteristics and Features * Parabolic flute configuration with proprietary Convoflute flute design offers wider flute space, dispersing chips away from the cutting edges more rapidly and increasing coolant flow* Engineered for deep hole drilling up to 8XD to 12XD, depending on drill diameter* 135 deg K-notch split point is self-centering and uses reduced thrust for easier penetration,Titanium nitride (TiN) coating adds lubricity and hardness, enhancing chip flow, finished hole quality and drill life* -0.001 in drill diameter tolerance* +/-0.125 in overall length tolerance* +/-0.125 in flute length tolerance* +/-5 deg point angle tolerance 特性和功能 * 抛物线槽结构采用专有的 Convoflute 槽设计，提供更宽的槽空间，更快地将切屑从切削刃分散开，并增加冷却剂流量* 专为高达 8XD 到 12XD 的深孔钻削而设计，具体取决于钻头直径* 135 deg K 型缺口分裂点是自定心的，并使用减少的推力以便于穿透，氮化钛 (TiN) 涂层增加了润滑性和硬度，从而增强了切屑流动、成品孔质量和钻头寿命* -0.001 in 钻头直径公差* +/-0.125 in 总长度公差* +/-0.125 in 槽长公差* +/-5 deg 钻尖角度公差