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Thirteen polished steel spade bits in a nylon pouch

WORKPRO W004521A 13-Piece Spade Drill Bit Set

SKU CH-4KSF-9FWT5 MPN W004521A

Thirteen medium-carbon steel spade bits from 1/4 to 1-1/2 inches with 1/4-inch hex shanks and a nylon pouch

  • Main colorPolished
  • Chuck typeHex
  • Chuck size0.25 in (0.64 cm)
  • Certifications and standardson product combined cancer reproductive, true
  • Core bit cap concreteSteel,Nylon, Medium Carbon Steel
  • Fastener range1/4 in to 1-1/2 in
  • Heat-treated medium-carbon steel resists wear for long service life
  • Double-side cutting spurs drill clean holes quickly in wood
  • 1/4-inch hex shank with groove locks securely into most drill drivers
  • Spiral flute design clears chips to maintain drilling speed
  • 13-piece SAE set covers 1/4 to 1-1/2 inch diameters in a nylon pouch

13-Piece Spade Drill Bit Set for Woodworking

This 13-piece set covers bore sizes from 1/4" to 1-1/2" for general woodworking tasks. Medium-carbon steel construction with heat treatment and a polished finish resists wear during repeated use. The quick-change 1/4" hex shank fits most drill drivers and includes a groove to reduce slipping. A nylon storage pouch keeps all bits organised.

Thermals Noise and Power Draw

Hand-operated drilling produces no electrical noise or power consumption. Friction heat at the cutting edge is managed by the spiral flute design that clears chips efficiently during operation. Polished surfaces on each bit reduce drag and heat build-up in the workpiece. The steel and nylon components remain stable under normal drilling temperatures.

Build Fit and Workflow

The 1/4" hex shank engages directly with standard drill chucks without adapters. Thirteen bits in one pouch eliminate the need for multiple loose bit containers on site. Medium-carbon steel handles common softwood and hardwood species without requiring specialised cutters. The compact 25 cm package stores easily in a tool bag or workshop drawer.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 79% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameWORKPRO
Model nameW004521A
Part numberW004521A
Color and finishPolished
Main colorPolished
Processor
Core bit cap concreteSteel,Nylon, Medium Carbon Steel
Power
Corded or cordlessNo
Size & build
Size or dimensions25 cm
Main materialSteel
Chuck size0.25 in (0.64 cm)
Product weight0.7 kg
In the box
Number of items12 pack
Includes batteriesNo
Environment & compliance
Certifications and standardson product combined cancer reproductive, true
More details
Chuck typeHex
Fastener range1/4 in to 1-1/2 in
Head styleHex
Nail diameter1/4 in to 1-1/2 in

Questions about this item

How do I install the 0.25-inch hex shank bits into my drill chuck, and what is the common mistake?

Insert the hex shank fully until the groove seats in the chuck jaws; the step people miss is not pushing it deep enough so the groove locks, which lets the bit slip or fall out during use.

What maintenance or replacement will the 13-piece set need after extended wood drilling?

The medium-carbon steel cutting edges and double-side spurs dull over time; replace individual bits when they no longer cut cleanly or when the polished surface shows wear that affects chip removal.

What limit appears first when using these spade bits continuously in hardwood?

Heat buildup on the 0.25-inch hex shank and cutting spurs reduces cutting speed and can cause the bit to bind, so pause to let the steel cool during sustained drilling.

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