Twist Drill Bits

Twist drill bits are a hand tool accessories used for drilling material like masonry, wood and sheet metal to create holes. Twist Drill bits are used in conjunction with a power drill and are readily available in various shapes and sizes depending on the material being drilled.


Types of Twist Drill Bits


Jobber drill bit


Long drill bit


Short drill bit


Stub drill bit


Morse Taper drill bit


Self-centring drill bit


What material can they cut?


They can cut through many forms of material, it’s a question of having the correct drill bit, however typical materials include;


Wood


Plastics


Aluminium


Brass


Cast iron


Mild steel


How do they work?


Insert the drill bit into a corded or cordless power drill at the chuck, tighten until it’s held in place then select the required torque setting. Hold the power drill with both hands securely, apply some pressure then start drilling,


How do you know which type of Twist Drill Bits to use?


It is important to have the correct drill bit when cutting holes. When making a considered purchase there a few things you need to consider; the material being cut, the material & coating of the drill plus the geometry.


Drill point angle


There are 2 general types; 118 ° that drill mild steel aluminum and other soft metals or 135 ° that drills hard steel and tough materials.


What are their strengths?


HSS drill bits are basic, inexpensive and easy to re-sharpen


HSS drill bits with Cobalt are an improvement on HSS, offer greater resistance to heat and wear but is also easy to re-sharpen


Carbide drill bits are the most expensive, usually, give the best heat resistance and last the longest.


When should I sharpen my drill?


As a rule, if your holes are in tolerance and wear & chipping are below 0.5 mm it’s typically ok to keep using your drill, anything after that you need to consider replacing or sharpening.


Popular Coating


Bright finish


Black oxide


Titanium Nitride (TiN)


Titanium Carbon-Nitride (TiCN)


Titanium Aluminum Nitride (TiAIN)


Safety


Proper eye protection must be worn at all times


Only use drills bits made for power tools


Keep hands away from drills bits during application


Applications Information


Twist drill bits are used in Industrial construction, servicing & maintenance applications.


...
顯示內容 隱藏內容

篩選條件

正在檢視 1 - 12,共 12 項產品
Results per page
Description Price Diameter Type Material Overall Length Shank Size Series Shank Type Cutting Length Point Angle
RS庫存編號 162-4045
製造零件編號3128820051600
BrandTivoly
HK$35.46
毎盒:2 個
Box(es)
2mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4102
製造零件編號3128820051662
BrandTivoly
HK$55.32
毎盒:2 個
Box(es)
5mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4067
製造零件編號3128820051624
BrandTivoly
HK$44.81
毎盒:2 個
Box(es)
3mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4073
製造零件編號3128820051631
BrandTivoly
HK$41.99
毎盒:2 個
Box(es)
3.5mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4118
製造零件編號3128820051679
BrandTivoly
HK$60.39
毎盒:2 個
Box(es)
5.5mm Twist Drill HSS - - - - - -
RS庫存編號 162-4146
製造零件編號3128820051709
BrandTivoly
HK$58.95
單位
8mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4152
製造零件編號3128820051716
BrandTivoly
HK$84.90
單位
10mm Twist Drill HSS - - - - - -
RS庫存編號 162-4095
製造零件編號3128820051655
BrandTivoly
HK$45.52
毎盒:2 個
Box(es)
4.5mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4124
製造零件編號3128820051686
BrandTivoly
HK$43.45
單位
6mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4089
製造零件編號3128820051648
BrandTivoly
HK$47.48
毎盒:2 個
Box(es)
4mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4051
製造零件編號3128820051617
BrandTivoly
HK$40.29
毎盒:2 個
Box(es)
2.5mm Jobber; Self Centring HSS - - - - - -
RS庫存編號 162-4130
製造零件編號3128820051693
BrandTivoly
HK$52.46
單位
7mm Jobber; Self Centring HSS - - - - - -