Countersink drill bit set

Product Description

A countersink drill bit set is an essential collection of tools for creating conical recesses in materials, ensuring screw heads sit flush with or below the surface for a smooth, professional finish.

This 6-piece metric set features high-speed steel countersink bits with a 90° included angle, the standard for metric flathead screws. The 3-flute design reduces clogging and provides chatter-free operation, making it suitable for power drills and stationary machines.

Countersink drill bit set

Each bit features a 1/4″ hex shank, compatible with standard drill chucks for quick and secure changes. The set is supplied in a durable plastic case for easy storage and organization.

What sizes does this set include?

This set covers a wide range of commonly used sizes: 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, and 20.5mm.

What is the countersink angle?

The bits feature a 90° included angle, the standard angle for metric flathead screws used in most modern fasteners.

What materials can this set work with?

HSS countersinks are ideal for wood, metal, and plastic. They are also effective for deburring holes after drilling or tapping operations.

Countersink drill bit set

What are the key design features?

HSS construction withstands high temperatures without losing hardness, offering durability and performance. The 3-flute design reduces clogging, improves chip clearance, and minimizes chatter for a smoother finish. The 1/4″ hex shank ensures a secure, non-slip fit in most drills and impact drivers. The set comes in a sturdy plastic case to keep bits organized and protected.

Countersink drill bit set available in Mombasa, Kwale, Kilifi, Lamu, Mandera, Marsabit, Isiolo, Meru, Embu, Kitui, Machakos, Makueni, Nyandarua,

Nyeri, Kirinyaga, Murang’a, Kiambu, Turkana, Samburu, Trans Nzoia, Uasin, Gishu, Elgeyo Marakwet, Nandi, Baringo,

Laikipia, Nakuru, Narok, Kajiado, Kericho, Bomet, Kakamega, Vihiga, Bungoma, Busia, Siaya, Kisumu, Homa Bay, Migori, Kisii, Nyamira, Nairobi.

In Nairobi you can find them at: Westlands, Dagoretti,  Lang’ata, Starehe, Kamukunji, Embakasi, and Kasarani, Kibera, Mathare,

Eastleigh, Karen, Lavington, Westlands, Parklands, Runda, South C, South, Ngong Road

In Mombasa you can find us at : Nyali, Mwembe Tayari, Majengo, Likoni ,Bamburi, Miritini