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 113-8621
製造零件編號DT50009-QZ
BrandDeWALT
HK$85.80
單位
6mm Impact - Titanium 80 mm
RS庫存編號 113-8626
製造零件編號DT50017-QZ
BrandDeWALT
HK$139.11
單位
11mm Impact - Titanium 101.5 mm
全新
RS庫存編號 193-1590
製造零件編號R4675.1
BrandDormer
HK$806.75
單位
5.1mm M Drill - Carbide 66 mm
RS庫存編號 728-7138
製造零件編號A1204.9
BrandDormer
HK$25.28
單位
4.9mm Short - HSS 62 mm
RS庫存編號 794-7498
製造零件編號A1081.0
BrandDormer
HK$349.95
毎盒:10 個
Box(es)
1mm Jobber Multi-Material HSS 34 mm
RS庫存編號 788-3760
製造零件編號2608596062
BrandBosch
HK$77.79
單位
8mm Multiconstruction - Carbide 250 mm
RS庫存編號 728-7100
製造零件編號A1203.2
BrandDormer
HK$22.31
單位
3.2mm Short - HSS 49 mm
RS庫存編號 136-3913
製造零件編號A1478.0
BrandDormer
HK$107.558
/個 (每包:5個)
單位
8mm Jobber - HSS-E 117 mm
RS庫存編號 768-3321
製造零件編號2608595336
BrandBosch
HK$36.047
/個 (每包:10個)
單位
6.7mm Jobber - HSS-G 101 mm
RS庫存編號 813-0033
製造零件編號A002S7.0
BrandDormer
HK$50.34
單位
7mm Jobber - HSS-TiN 109 mm
RS庫存編號 136-3931
製造零件編號A1231/8
BrandDormer
HK$13.591
/個 (每包:10個)
單位
3.18mm Stub - HSS 49 mm
RS庫存編號 667-3569
製造零件編號R45814.0
BrandDormer
HK$1,107.51
單位
14mm Short - Solid Carbide 107 mm
全新
RS庫存編號 193-1609
製造零件編號R46713.5
BrandDormer
HK$996.35
單位
13.5mm M Drill - Carbide 107 mm
RS庫存編號 768-3233
製造零件編號2608595058
BrandBosch
HK$14.243
/個 (每包:10個)
單位
3.5mm Jobber - HSS-G 70 mm
RS庫存編號 213-770
BrandRS PRO
HK$125.50
毎盒:10 個
Box(es)
4.1mm Jobber - HSS 75 mm
RS庫存編號 794-7353
製造零件編號A0026.5
BrandDormer
HK$157.21
毎盒:5 個
Box(es)
6.5mm Jobber Multi-Material HSS-TiN 101 mm
RS庫存編號 784-4807
BrandRS PRO
HK$622.56
單位
26mm Morse Taper - HSS 286 mm
RS庫存編號 742-4116
製造零件編號R45412.5
BrandDormer
HK$1,283.57
單位
12.5mm Long - Solid Carbide 124 mm
全新
RS庫存編號 193-1584
製造零件編號R4674.6
BrandDormer
HK$806.75
單位
4.6mm M Drill - Carbide 66 mm
RS庫存編號 728-7194
製造零件編號A1205/8
BrandDormer
HK$258.66
單位
5/8in Short - HSS 66 mm