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 Shank Size Series Shank Type Cutting Length Point Angle
RS庫存編號 213-786
BrandRS PRO
HK$112.83
毎盒:10 個
Box(es)
4.6mm Jobber HSS 80 mm 4.6mm - Plain 47mm 118°
RS庫存編號 213-382
BrandRS PRO
HK$71.19
毎盒:10 個
Box(es)
3.1mm Jobber HSS 65 mm 3.1mm - Plain 36mm 118°
RS庫存編號 792-377
製造零件編號A110-1/4IN
BrandDormer
HK$66.54
單位
1/4in Long HSS 148 mm 1/4in A110 Plain 97mm 118°
RS庫存編號 545-828
製造零件編號A100 1.60MM
BrandDormer
HK$13.816
/個 (每包:5個)
單位
1.6mm Jobber HSS 43 mm 16mm A100 Plain 20mm 118°
RS庫存編號 695-0526
製造零件編號A9007.5
BrandDormer
HK$166.41
單位
7.5mm Jobber HSCo 109 mm 7.5mm A900 Plain 69mm 130°
RS庫存編號 198-4735
製造零件編號A110 3.3MM
BrandDormer
HK$36.51
單位
3.3mm Long HSS 106 mm 3.3mm A110 Plain 69mm 118°
RS庫存編號 424-4024
製造零件編號DT5048-QZ
BrandDeWALT
HK$28.90
單位
6mm - HSS-R 93 mm 6mm EXTREME 2 Flatted 57mm -
RS庫存編號 136-3926
製造零件編號A1234.8
BrandDormer
HK$25.106
/個 (每包:10個)
單位
4.8mm Stub HSS 62 mm 4.8mm A123 Plain 18mm 120°
RS庫存編號 217-384
BrandRS PRO
HK$248.24
毎盒:10 個
Box(es)
6.5mm Jobber HSS 101 mm 6.5mm - Plain - -
RS庫存編號 768-3116
製造零件編號2608585528
BrandBosch
HK$108.364
/個 (每包:5個)
單位
10.8mm Twist Drill HSS 142 mm 10.8mm - Plain 94mm 135°
RS庫存編號 787-7258
BrandRS PRO
HK$39.78
毎管:5 個
Tube(s)
2.5mm Short HSS 43 mm 2.5mm - Plain 14mm 135°
RS庫存編號 784-4813
BrandRS PRO
HK$729.50
單位
31mm Morse Taper HSS 301 mm - - Morse Taper 180mm 118°
RS庫存編號 136-3929
製造零件編號A1236.0
BrandDormer
HK$23.718
/個 (每包:10個)
單位
6mm Stub HSS 66 mm 6mm A123 Plain 18mm 120°
RS庫存編號 618-8998
BrandRS PRO
HK$188.24
單位
3/4in Blacksmiths HSS 150 mm 12.7mm - Reduced 75mm 118°
RS庫存編號 695-0585
製造零件編號A9201.0
BrandDormer
HK$61.05
單位
1mm Miniature HSCo 26 mm 1mm A920 Plain 6mm 130°
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 - 6mm - Plain - 118°
RS庫存編號 768-3084
製造零件編號2608585516
BrandBosch
HK$74.302
/個 (每包:5個)
單位
9.2mm Twist Drill HSS 125 mm 9.2mm - Plain 81mm 135°
RS庫存編號 424-3914
製造零件編號DT5034-QZ
BrandDeWALT
HK$14.43
/個 (每包:2個)
單位
1mm - HSS-R 34 mm 1mm EXTREME 2 Plain 12mm -
RS庫存編號 728-7462
製造零件編號R4548.0
BrandDormer
HK$577.30
單位
8mm Long Solid Carbide 91 mm 8mm R454 Plain 53mm 140°
RS庫存編號 667-3519
製造零件編號R4585.5
BrandDormer
HK$420.86
單位
5.5mm Short Solid Carbide 66 mm 6mm R458 Plain 28mm 140°