Ingco 51-Piece Industrial Impact Screwdriver Bit and Nut Setter Set – S2 Shock-Resistant Alloy Steel Driver Bits with Magnetic Quick-Release Holder (AKDL25106)

Using standard, non-impact screwdriver bits in high-torque impact drivers invariably leads to broken tips, stripped screw heads, and ruined workpieces. Standard bits lack the structural flexibility needed to handle the violent rotational impacts of modern cordless tools, causing them to shear off or round out almost immediately. The Ingco AKDL25106 51-Piece Industrial Impact Screwdriver Bits Set is a heavy-duty fastening solution engineered to withstand brutal torsional stress. Forged from premium, industrial-grade S2 alloy steel and subjected to meticulous heat-treatment cycles, this comprehensive 51-piece kit enables automotive mechanics, steel fabricators, carpenters, and drywall installers to drive heavy-gauge fasteners with zero slip and absolute control.

The incredible durability and anti-cam-out performance of these bits stem from their optimized torsion zone geometry and precision-machined tips. The specialized slim waist design allows the bit body to flex slightly under peak impact loads, absorbing the shockwaves that would otherwise shatter the cutting edge. Each driver head is CNC-milled to form a flawless, flush fit inside the screw recess, eliminating stripping forces while maximizing torque delivery. Equipped with an assortment of multi-length bits, magnetic nut setters, and a high-retention quick-release magnetic bit holder, this professional set locks tightly into 1/4-inch hex impact collets and keyless drill chucks, keeping your hardware firmly engaged even during vertical or blind overhead fastening shifts.

Key Features

• Premium Shock-Resistant S2 Steel – Forged from industrial-grade S2 alloy tool steel, maximizing fatigue resistance and expanding service life compared to standard Cr-V bits.

• Optimized Torsion Shock Zone – Features a flexible core section designed to twist under sudden torque spikes, protecting the tip from fracturing under heavy impact driver cycles.

• Precision CNC-Machined Tips – Engineered for a tight, high-accuracy fit within fastener heads to drastically reduce cam-out sliding and structural strip damage.

• Heavy-Duty Magnetic Nut Setters – Includes essential hex-head nut drivers equipped with strong internal magnets to retain self-tapping roofing screws and hex bolts firmly.

• Quick-Release Magnetic Bit Extension – Features a snappy, one-handed locking mechanism that grips 25mm insert bits securely without dropping them inside deep recesses.

• Rugged Heavy-Duty Storage Case – Supplied inside an impact-resistant modular plastic case layout with custom-fit, labeled bit organizer slots for quick tool tracking.

Technical Specifications

• Brand: INGCO

• Model: AKDL25106

• Product Type: Industrial-Grade Impact Screwdriver Bit & Nut Fastening Set

• Total Component Count: 51 Pieces

• Drive Shank Interface: Standard 1/4-Inch (6.35mm) Hexagonal Quick-Change Shank

• Core Material Matrix: Premium Heat-Treated S2 Grade Alloy Tool Steel

• Bit Length Profiles: Includes high-demand 25mm insert bits and 50mm extended power bits

• Primary Machine Compatibility: Universal fit across all high-torque 1/4" cordless impact drivers, combi hammer drills, and electronic screwdrivers (Perfect match for Ingco CIRLI2002, CIDLI20608, and CSILI2001 platforms)

• Primary Target Fasteners: Wood deck screws, drywall screws, self-tapping sheet metal screws, machine bolts, security fasteners, and hexagonal roofing screws

• Primary Applications: Timber framing construction, structural steel sheet metal fabrication, automotive panel repairs, drywall installation, electrical panel assembly, and furniture manufacturing

Ideal For

Carpenters, roofing contractors, steel fabricators, industrial assembly technicians, HVAC installers, and demanding DIYers who need a comprehensive, shock-resistant impact driver bit assortment to handle continuous, high-torque fastening tasks.

Package Includes

• 30 × 25mm Impact Insert Bits:

  • Phillips: PH1, PH2, PH3

  • Pozi: PZ1, PZ2, PZ3

  • Slotted: SL3, SL4, SL5, SL6

  • Hex: H3, H4, H5, H6

  • Torx: T10, T15, T20, T25, T27, T30, T40

• 16 × 50mm Extended Impact Power Bits:

  • Assorted high-use PH, PZ, SL, and Torx profiles

• 3 × Magnetic Industrial Nut Setters: 6mm, 8mm, 10mm

• 1 × 60mm Quick-Release Magnetic Bit Holder Extension

• 1 × Heavy-Duty Rugged Plastic Organizer Storage Case Layout