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, its 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 its 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 its 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 Drilling Application Material Overall Length
RS庫存編號 343-1463
製造零件編號R100 6.5MM
BrandDormer
HK$770.14
單位
6.5mm Jobber - Solid Carbide 101 mm
全新
RS庫存編號 193-1637
製造零件編號R4636.5
BrandDormer
HK$1,013.13
單位
6.5mm M Drill Stainless Steel Carbide 91 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 792-074
製造零件編號A110 2.5MM
BrandDormer
HK$36.65
單位
2.5mm Long - HSS 95 mm
全新
RS庫存編號 199-1914
製造零件編號2608596054
BrandBosch
HK$38.90
單位
7mm - - - 100 mm
RS庫存編號 424-4080
製造零件編號DT5053-QZ
BrandDeWALT
HK$54.23
單位
8.5mm - - HSS-R 117 mm
RS庫存編號 213-938
BrandRS PRO
HK$57.66
毎盒:10 個
Box(es)
2.4mm Jobber - HSS-TiN 57 mm
RS庫存編號 695-0462
製造零件編號A9002.5
BrandDormer
HK$61.09
單位
2.5mm Jobber - HSCo 57 mm
RS庫存編號 742-4119
製造零件編號R45413.5
BrandDormer
HK$1,381.61
單位
13.5mm Long - Solid Carbide 124 mm
RS庫存編號 794-7265
製造零件編號A0023.5
BrandDormer
HK$72.65
毎盒:5 個
Box(es)
3.5mm Jobber Multi-Material HSS-TiN 70 mm
RS庫存編號 828-195
BrandRS PRO
HK$41.41
單位
2.5mm Hexagon - HSS -
RS庫存編號 728-7147
製造零件編號A1205.0
BrandDormer
HK$24.25
單位
5mm Short - HSS 20 mm
RS庫存編號 162-4124
製造零件編號3128820051686
BrandTivoly
HK$40.92
單位
6mm Jobber; Self Centring - HSS -
RS庫存編號 794-7391
製造零件編號A00211.0
BrandDormer
HK$106.60
單位
11mm Jobber Multi-Material HSS-TiN 142 mm
RS庫存編號 794-7313
製造零件編號A0025.3
BrandDormer
HK$115.77
毎盒:5 個
Box(es)
5.3mm Jobber Multi-Material HSS-TiN 86 mm
RS庫存編號 728-7128
製造零件編號A1204.0
BrandDormer
HK$20.71
單位
4mm Short - HSS 55 mm
RS庫存編號 695-0645
製造零件編號A9206.0
BrandDormer
HK$98.96
單位
6mm Short - HSCo 66 mm
RS庫存編號 408-7994
BrandRS PRO
HK$214.27
單位
18mm Blacksmiths - HSS 150 mm
RS庫存編號 522-6948
BrandRS PRO
HK$546.15
單位
12mm Jobber; Long - HSS 400 mm
RS庫存編號 214-925
BrandRS PRO
HK$117.49
毎盒:10 個
Box(es)
3mm Short - HSS 46 mm