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 178-046
製造零件編號A100 1-20
BrandDormer
HK$18.61
/個 (每包:5個)
單位
1.2mm Jobber HSS 38 mm 1.2mm A100 Plain 16mm 118°
RS庫存編號 213-045
BrandRS PRO
HK$110.89
毎盒:10 個
Box(es)
5mm Jobber HSS 86.5 mm 5mm - Plain 52mm 118°
RS庫存編號 813-0146
製造零件編號A62010.0
BrandDormer
HK$1,698.56
毎盒:10 個
Box(es)
10mm Stub Bronze, HSS-E 89 mm - A620 Plain 43mm 130°
RS庫存編號 813-0027
製造零件編號A002S6.5
BrandDormer
HK$40.43
單位
6.5mm Jobber HSS-TiN 101 mm - A0026S Plain 63mm 118°
RS庫存編號 178-068
製造零件編號A100 1-30
BrandDormer
HK$20.126
/個 (每包:5個)
單位
1.3mm Jobber HSS 38 mm 1.3mm A100 Plain 16mm 118°
RS庫存編號 768-3141
製造零件編號2608585872
BrandBosch
HK$18.274
/個 (每包:10個)
單位
1mm Twist Drill HSS 34 mm 1mm - Plain 12mm 135°
RS庫存編號 794-7369
製造零件編號A0027.2
BrandDormer
HK$38.77
單位
7.2mm Jobber HSS-TiN 109 mm 7.2mm A002 Plain 69mm 118°
RS庫存編號 213-821
BrandRS PRO
HK$71.48
毎盒:10 個
Box(es)
4mm Jobber HSS 75 mm 4mm - Plain 43mm 118°
RS庫存編號 794-7417
製造零件編號2FRA0021.0
BrandDormer
HK$114.54
毎盒:10 個
Box(es)
1mm Jobber HSS-TiN 34 mm 1mm A002 Plain 12mm 118°
RS庫存編號 784-4781
BrandRS PRO
HK$323.12
單位
21mm Morse Taper HSS 243 mm - - Morse Taper 145mm 118°
RS庫存編號 217-249
BrandRS PRO
HK$224.04
毎盒:10 個
Box(es)
5.5mm Jobber HSS 93 mm 5.5mm - Plain - -
RS庫存編號 214-076
BrandRS PRO
HK$387.19
毎盒:10 個
Box(es)
9.5mm Jobber HSS 125 mm 9.5mm - Plain 81mm 118°
RS庫存編號 794-7410
製造零件編號2FRA0021.5
BrandDormer
HK$100.22
毎盒:10 個
Box(es)
1.5mm Jobber HSS-TiN 40 mm 1.5mm A002 Plain 18mm 118°
RS庫存編號 768-3245
製造零件編號2608595060
BrandBosch
HK$17.90
/個 (每包:10個)
單位
4.2mm Twist Drill HSS 75 mm 4.2mm - Plain 43mm 135°
RS庫存編號 695-0670
製造零件編號A9208.0
BrandDormer
HK$159.08
單位
8mm Short HSCo 79 mm 8mm A920 Plain 37mm 130°
RS庫存編號 768-3251
製造零件編號2608595063
BrandBosch
HK$23.585
/個 (每包:10個)
單位
5.2mm Twist Drill HSS 86 mm 5.2mm - Plain 52mm 135°
RS庫存編號 794-7606
製造零件編號A7774.0
BrandDormer
HK$433.14
毎盒:10 個
Box(es)
4mm Jobber HSS-E 75 mm 4mm A777 Plain 43mm 135°
RS庫存編號 794-7600
製造零件編號A7774.2
BrandDormer
HK$388.98
毎盒:10 個
Box(es)
4.2mm Jobber HSS-E 75 mm 4.2mm A777 Plain 43mm 135°
RS庫存編號 216-448
BrandRS PRO
HK$336.93
毎盒:10 個
Box(es)
7.5mm Jobber HSCo 109 mm 7.5mm - Plain 69mm 135°
RS庫存編號 787-7368
BrandRS PRO
HK$52.56
毎管:5 個
Tube(s)
0.95mm Jobber HSS 32 mm 0.95mm - Plain - 118°