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Knipex precision slotted screwdriver matte chrome shaft black oxide tip cushion handle

Knipex

Knipex 9T 89718 Precision Slotted Screwdriver 1/8 in Round

SKU CH-6DET-2KHR9

Precision slotted screwdriver with a 1/8 in tip, cushion grip and 7 in overall length

  • Handle constructionHigh Alloy Chrome Vanadium Steel
  • Product typeHex Drive Bits
  • Color and finishMatte Chrome, Black Oxide Tips
  • Precision slotted tip fits 1/8 in fasteners
  • Black oxide tip resists corrosion and wear
  • 7 in overall length gives good reach
  • Cushion grip handle reduces hand fatigue
  • Non-magnetic tip avoids unwanted metal contact

Precision Slotted Screwdriver 1/8 in

The Knipex 9T 89718 is a precision slotted screwdriver built for fine fastening work. Its 1/8 inch tip engages small slotted heads found on electronics, instruments and delicate assemblies. A cushion grip reduces hand fatigue during extended use. The tool is not ESD safe, not insulated and not non-sparking.

Upgrading from worn or generic drivers

Replacing a damaged or imprecise blade prevents cam-out and protects screw heads. The black oxide tip finish resists corrosion and improves fit in the slot. The jump is worthwhile when the current driver slips, rounds off fasteners or lacks the reach needed for recessed screws. This model is non-magnetic, so it will not hold screws automatically.

Limits of the slotted interface

Slotted drives transmit less torque than cross-recess or hex profiles and cam out under high force. The 1/8 inch tip suits only matching screw sizes; larger or smaller heads need different blades. The round shank offers no hex bolster for wrench assistance. Users needing magnetic retention, insulation or ESD protection must select a different tool.

How it compares

Measured against everything we stock in Screwdrivers, Nut Drivers & Hex Keys, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 90% of the 415 comparable items (median $11.99).

Specifications

Product
Brand nameKnipex
Model name9T 89718
Product typeHex Drive Bits
Color and finishMatte Chrome, Black Oxide Tips
Size & build
Handle constructionHigh Alloy Chrome Vanadium Steel

Questions about this item

What shank diameter must the bit holder accept for the 89718 hex drive bit?

The bit uses a standard 1/4 inch hex shank that fits any universal bit holder or drill chuck.

Which end of the 89718 bit engages the screw first during installation?

Insert the black oxide slotted tip into the fastener before applying torque to avoid cam-out.

When should the 89718 bit be replaced due to tip wear?

Replace the bit once the black oxide coating wears off and the slotted edges become rounded.

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