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Select all	Attribute	Value
	Brand	DeWALT
	Product Type	Drill Bit Set
	Drilling Application	Metal
	Drill Bit Type	Twist
	Material	High Speed Steel Cobalt
	Number of Pieces	29
	Minimum Size	1 mm
	Maximum Size	13 mm
	Standards/Approvals	No
	Set Contents	HSS Metal Drill Bits

	Select all
	Brand DeWALT
	Product Type Drill Bit Set
	Drilling Application Metal
	Drill Bit Type Twist
	Material High Speed Steel Cobalt
	Number of Pieces 29
	Minimum Size 1 mm
	Maximum Size 13 mm
	Standards/Approvals No
	Set Contents HSS Metal Drill Bits

Datasheet

RoHS Status: Exempt

COO (Country of Origin):: DE

Stanley Drill Bit Set, 13mm Maximum Size, 1mm Minimum Size - DT4957-QZ

This drill bit set is a 29-piece collection of twist drills intended for machining metal components in industrial and workshop settings. Manufactured from cobalt-alloyed high-speed steel, the set is designed for use with portable or bench-mounted drilling equipment when working with high-alloy steels and other demanding metallic materials.

Features & Benefits

• 5% cobalt HSS composition for elevated heat endurance and wear resistance
• Precision-ground DIN 338 geometry for accurate, centred starts
• Right-hand cutting helix to promote efficient chip evacuation
• Gold ferrous finish to reduce surface friction during drilling
• Extreme cobalt tip to minimise walking and improve first-cut accuracy

Applications

• Suitable for drilling stainless and chrome-nickel steels
• Ideal for machining heat- and acid-resistant steels
• Used for creating holes in cast-iron and bronze components
• Can be used on welded seams and high-strength alloys

What range of hole sizes does the set cover?

The kit spans metric diameters from 1mm up to 13mm, providing a wide selection for varied drilling tasks.

How does the tip design influence setup time?

The specialised tip reduces initial skidding, decreasing the need for centre-punching and shortening setup for repetitive operations.

Which drilling conditions suit these bits best?

They perform well at elevated cutting temperatures encountered when penetrating high-alloy steels, maintaining edge integrity under sustained loads.

How are chips handled during prolonged drilling?

The right-hand helix encourages consistent chip removal, lowering the risk of clogging in deep or continuous holes.

DeWALT 29-Piece Twist Set for Metal, 13 mm Max, 1 mm Min, High Speed Steel Cobalt Bits

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