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.


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Description Price Diameter Type Material Overall Length
RS庫存編號 212-913
BrandRS PRO
HK$219.77
毎盒:5 個
Box(es)
10.2mm Jobber HSS 134 mm
RS庫存編號 899-8475
製造零件編號A7772.4
BrandDormer
HK$332.89
毎盒:10 個
Box(es)
2.4mm Jobber Bronze 57 mm
RS庫存編號 434-6811
BrandRS PRO
HK$40.62
單位
11.1mm Jobber HSS 142 mm
RS庫存編號 689-9890
製造零件編號A9006.8
BrandDormer
HK$202.63
單位
6.8mm Jobber HSCo 109 mm
RS庫存編號 695-0576
製造零件編號A90013.0
BrandDormer
HK$591.29
單位
13mm Jobber HSCo 151 mm
全新
RS庫存編號 188-7134
製造零件編號D-09721
BrandMakita
HK$18.83
單位
5mm Jobber HSS 86 mm
RS庫存編號 784-4832
BrandRS PRO
HK$89.51
單位
17.5mm Jobber HSS 156 mm
RS庫存編號 695-0605
製造零件編號A9203.3
BrandDormer
HK$46.11
單位
3.3mm Short HSCo 49 mm
RS庫存編號 794-7300
製造零件編號A0024.8
BrandDormer
HK$86.39
毎盒:5 個
Box(es)
4.8mm Jobber HSS-TiN 86 mm
RS庫存編號 728-7248
製造零件編號A1254.0X200
BrandDormer
HK$158.65
單位
4mm Long HSS 200 mm
RS庫存編號 794-7316
製造零件編號A0025.1
BrandDormer
HK$99.66
毎盒:5 個
Box(es)
5.1mm Jobber HSS-TiN 86 mm
RS庫存編號 695-0692
製造零件編號A92010.2
BrandDormer
HK$371.03
單位
10.2mm Short HSCo 89 mm
RS庫存編號 728-7201
製造零件編號A1251.5X160
BrandDormer
HK$167.38
單位
1.5mm Long HSS 160 mm
RS庫存編號 695-0421
製造零件編號A9409.5
BrandDormer
HK$481.92
單位
9.5mm Long HSCo 175 mm
RS庫存編號 794-7561
製造零件編號A10810.0
BrandDormer
HK$1,243.29
毎盒:10 個
Box(es)
10mm Jobber HSS 133 mm
RS庫存編號 768-3198
製造零件編號2608585898
BrandBosch
HK$106.864
/個 (每包:5個)
單位
10mm Twist Drill HSS 133 mm
RS庫存編號 217-211
BrandRS PRO
HK$263.10
毎盒:10 個
Box(es)
7mm Jobber HSS -
RS庫存編號 695-0598
製造零件編號A9202.5
BrandDormer
HK$47.49
單位
2.5mm Short HSCo 43 mm
RS庫存編號 695-0471
製造零件編號A9003.5
BrandDormer
HK$63.68
單位
3.5mm Jobber HSCo 70 mm
RS庫存編號 214-903
BrandRS PRO
HK$55.66
毎盒:10 個
Box(es)
3.3mm Short HSS 49 mm