Drill Bit Sets

Drill bits are cutting tools that are used to remove different types of materials to create a hole, generally always in a circular motion. Having the right size and the right type of bit is a key factor in ensuring the highest standard of work and ensures you can drill with confidence and accuracy.

Common materials used for drill bits:

  • Carbon Steel – This material provides a drill bit with better durability and hardness, therefore increasing the life of the bit. Carbon steel can withstand higher temperatures and is more suitable for harder materials
  • HSS (High-Speed Steel) – HSS can withstand higher temperatures without compromising the hardness of the bit and is able to cut faster with more accuracy and efficiency
  • Cobalt Steel – The cobalt content increases the strength of the bit and aids in the resistance to heat and friction, so it can be used for more stubborn materials
  • Tool Steel with Tungsten Carbide Tips – TCT provide a longer working life for the bit, while allowing for a more stable and solid tip and enabling it to withstand more rigorous drilling applications

  • Common coatings used to enhance drill bits:

  • Black Oxide – An economical coating that prevents corrosion and increases stress relieving at the bit. It also helps in retaining drilling lubricants for longer and is most suitable when drilling iron and steel
  • Bronze Oxide – This coating increases stress relieving of the bit. It is normally used on its own so that it is easy to identify cobalt steel. It can also be used with black oxide to better identify higher grades of HSS
  • Titanium Nitrate – This coating increases the hardness of the bit, whilst providing a thermal barrier for high friction applications. It is a more expensive coating than others, but helps to increase production rates and tool life. TiN coated drill bits are best suited for drilling more stubborn materials like iron, steel, aluminium and more.
  • Common types of drill bits:

  • Twist – The most common type of drill bit and ideal for drilling wood, plastic, and metals. They are generally made from HSS and are suited to general household DIY tasks, as well as professional applications like maintenance and engineering
  • Masonry – The TCT drill bits are the best to use when drilling brick, block, stone and mortar and are most commonly used in the construction industry. They are generally used with a hammer power tool for more effective results
  • SDS (Slotted Drive System) – These have a special shank that fits into the chuck of an SDS power tool. The SDS system delivers a higher standard and more efficient results than a standard hammer drill when working with harder materials like concrete

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    รายละเอียดสินค้า / Description ราคา / Price Set Type Minimum Size Maximum Size Material Number of Pieces Set Contents
    RS Stock No. 213-0686
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 18
    Brand :Dormer
    THB6,364.30
    1 Set
    Set(s)
    Jobber Drill Set 1/16in 1/2in HSS 29 HSS Drill Bits
    RS Stock No. 794-7675
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A094413
    Brand :Dormer
    THB826.26
    Each
    Units
    Jobber Drill Set 1.5mm 6.5mm HSS-TiN 13 HSS Drill Bits
    RS Stock No. 694-481
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A296
    Brand :Dormer
    THB1,154.91
    Each
    Units
    Double Ended Centre Drill Set BS1 BS5 HSS 5 HSS Drill Bits
    RS Stock No. 794-7678
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A094419
    Brand :Dormer
    THB1,981.83
    1 Set(s)
    Units
    Jobber Drill Set 1mm 10mm HSS-TiN 19 HSS Drill Bits
    RS Stock No. 511-112
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 202
    Brand :Dormer
    THB3,600.73
    1 Kit
    Kit(s)
    Jobber Drill Set 1mm 6mm HSS 51 HSS Drill Bits
    RS Stock No. 546-118
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 N201
    Brand :Dormer
    THB2,184.97
    1 Set
    Set(s)
    Jobber Drill Set 1mm 10mm HSS 19 HSS Drill Bits
    RS Stock No. 794-7672
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A295219
    Brand :Dormer
    THB6,668.06
    Each
    Units
    Jobber Drill Set 1mm 10mm HSS-E 19 HSS Drill Bits
    RS Stock No. 696-976
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.0915 54PCS DRILL SET
    Brand :Dormer
    THB9,997.72
    1 Set
    Set(s)
    Straight Shank Drill set 1mm 13mm HSS 54 HSS Drill Bits
    RS Stock No. 794-7666
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A095204
    Brand :Dormer
    THB5,773.70
    Each
    Units
    Jobber Drill Set 1mm 13mm HSS-TiN 25 HSS Drill Bits
    RS Stock No. 696-954
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 12
    Brand :Dormer
    THB6,106.97
    1 Set
    Set(s)
    Jobber Drill Set 1 60 HSS 60 HSS Drill Bits
    RS Stock No. 816-4626
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A099DRILLBOY
    Brand :Dormer
    THB5,534.09
    Each
    Units
    A002 Drill Boy Set 3mm 13mm HSS 43 1 x 10.20mm, 1 x 10.50mm, 1 x 10mm, 1 x 11.00mm, 1 x 11.50mm, 1 x 12.00mm, 1 x 12.50mm, 1 x 13.00mm, 1 x 8.50mm, 1 x 9.50mm, 1 x 9mm, 2 x 4.20mm, 2 x 5.50mm, 2 x 5mm, 2 x 6.50mm, 2 x 6.80mm, 2 x 6mm, 2 x 7.50mm, 2 x 7mm, 2 x 8mm, 3 x 3.0mm, 3 x 3.30mm, 3 x 3.50mm, 3 x 4mm
    RS Stock No. 546-124
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 3
    Brand :Dormer
    THB2,483.98
    1 Set
    Set(s)
    Jobber Drill Set 1/16in 3/8in HSS 21 HSS Drill Bits
    RS Stock No. 218-6207
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 204
    Brand :Dormer
    THB5,245.01
    1 Kit
    Kit(s)
    Jobber Drill Set 1mm 13mm HSS 25 HSS Drill Bits
    RS Stock No. 511-128
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 203
    Brand :Dormer
    THB8,424.99
    1 Kit
    Kit(s)
    Jobber Drill Set 6mm 10mm HSS 41 HSS Drill Bits
    RS Stock No. 794-7662
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A095201
    Brand :Dormer
    THB2,529.67
    Each
    Units
    Jobber Drill Set 1mm 10mm HSS-TiN 19 HSS Drill Bits
    RS Stock No. 695-305
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A190 209
    Brand :Dormer
    THB13,534.29
    1 Kit
    Kit(s)
    Jobber Drill Set 1mm 10mm HSS 91 HSS Drill Bits