Features:- - , - 250mm and material, the drill bit in the package is 250mm, longer than standard drill bit and drills deeper.- These bits are made of high speed steel for durability, high wear resistance and long service life.- With a dual flute chip evacuation design, these drills speed up the drilling and chip evacuation process. Round shanks are suitable for most types of hand and impact drills.- Exquisite craftsmanship, the drill bit is formed after quenching, and the inner diameter meets the industrial tolerance standard. Each drill bit meets industrial performance and safety standards.- Wide range of applications. Suitable for various materials, such as die steel, spring steel, white steel, ordinary steel, aluminum, copper, wood, stainless steel (within 1-4mm), plastic and PVC, etc.- Tip: Please add water during drilling to prevent the drill from breaking. Please take protective measures during use to avoid accidents. Product parameters:- Drill length: 250mm- Material: high speed steel- Drill diameter: 2/3/3.5/4/5mm (one for each)- Color: Silver- Quantity: 5PCSPacking list:5 *250MM extra long drillNotes:1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.2. Please allow a slight deviation between the data and the manual measurement.