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.


...
顯示內容 隱藏內容

篩選條件

正在檢視 1 - 20,共 300 項產品
Results per page
Description Price Diameter Type Material Overall Length Shank Size Series Shank Type Cutting Length Point Angle
RS庫存編號 787-7292
BrandRS PRO
HK$116.85
毎管:5 個
Tube(s)
7mm Short HSS 74 mm 7mm - Plain 34mm 135°
RS庫存編號 216-432
BrandRS PRO
HK$351.12
毎盒:10 個
Box(es)
8mm Jobber HSCo 117 mm 8mm - Plain 75mm 135°
RS庫存編號 408-8004
BrandRS PRO
HK$199.52
單位
20mm Blacksmiths HSS 150 mm 12.7mm - Reduced 75mm 118°
RS庫存編號 213-411
BrandRS PRO
HK$61.00
毎盒:10 個
Box(es)
3mm Jobber HSS 61 mm 3mm - Plain 33mm 118°
RS庫存編號 216-533
BrandRS PRO
HK$570.85
毎盒:10 個
Box(es)
10mm Jobber HSCo 133 mm 10mm - Plain 87mm 135°
RS庫存編號 784-4787
BrandRS PRO
HK$284.22
單位
20mm Morse Taper HSS 238 mm - - Morse Taper 140mm 118°
RS庫存編號 216-707
BrandRS PRO
HK$272.44
毎盒:10 個
Box(es)
6mm Jobber HSCo 93 mm 6mm - Plain 57mm 135°
RS庫存編號 787-7359
BrandRS PRO
HK$46.53
毎管:5 個
Tube(s)
0.8mm Jobber HSS 30 mm 0.8mm - Plain - 118°
RS庫存編號 212-963
BrandRS PRO
HK$72.63
毎盒:10 個
Box(es)
3mm Jobber HSS 59 mm 3mm - Plain 33mm 118°
RS庫存編號 213-168
BrandRS PRO
HK$141.76
毎盒:10 個
Box(es)
6.5mm Jobber HSS 101 mm 6.5mm - Plain 63mm 118°
RS庫存編號 213-304
BrandRS PRO
HK$91.04
毎盒:10 個
Box(es)
3.5mm Jobber HSS 70 mm 3.5mm - Plain 39mm 118°
RS庫存編號 216-583
BrandRS PRO
HK$369.76
毎盒:10 個
Box(es)
5mm Jobber HSCo 86 mm 5mm - Plain 52mm 135°
RS庫存編號 213-506
BrandRS PRO
HK$213.95
毎盒:5 個
Box(es)
11.5mm Jobber HSS 142 mm 11.5mm - Plain 94mm 118°
RS庫存編號 213-281
BrandRS PRO
HK$137.40
毎盒:10 個
Box(es)
5.5mm Jobber HSS 93 mm 5.5mm - Plain 57mm 118°
RS庫存編號 522-6910
BrandRS PRO
HK$283.46
單位
11mm Jobber; Long HSS 315 mm 11mm - Plain - -
RS庫存編號 213-691
BrandRS PRO
HK$293.19
毎盒:10 個
Box(es)
8.5mm Jobber HSS 117 mm 8.5mm - Plain 75mm 118°
RS庫存編號 213-203
BrandRS PRO
HK$113.17
毎盒:10 個
Box(es)
5mm Jobber HSS 86 mm 5mm - Plain 52mm 118°
RS庫存編號 216-606
BrandRS PRO
HK$148.36
毎盒:10 個
Box(es)
4mm Jobber HSCo 75 mm 4mm - Plain 43mm 135°
RS庫存編號 214-048
BrandRS PRO
HK$312.58
毎盒:10 個
Box(es)
9mm Jobber HSS 125 mm 9mm - Plain 81mm 118°
RS庫存編號 784-4775
BrandRS PRO
HK$196.15
單位
18mm Morse Taper HSS 228 mm - - Morse Taper 130mm 118°