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Update on Price AdjustmentEffective by July 01, 2026Learn more

SID 8-A22 Cordless impact driver

SID 8-A22 (73386)
L077915_HNA (202817)
L077915_v1_HNA (202844)
SID 8-A22
L078005 (110134)

Ultimate-class 22V cordless impact driver with 7/16" hexagonal chuck for heavy-duty work

  • Feature: Powerful high efficiency hammering mechanism
  • Chuck type: 7/16" hexagonal
  • No load RPM: gear 1: 2200 rpm

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Technical Data

Feature
Powerful high efficiency hammering mechanism
Chuck type
7/16" hexagonal
No load RPM
gear 1: 2200 rpm
Maximum torque
550 Nm (1) 1
Full hammering frequency
3000 impacts/minute
Number of gears
1
Dimensions (LxWxH)
252 x 94 x 258 mm
Tool body weight
2.6 kg
A-weighted emission sound pressure level
95 dB (A) 2
Tri. vibr. val. for impact tightening of fasteners at max. cap. of tool (ah)
13.5 m/s²
Rated voltage
21.6 V
  1. Do not use the tool for applications where an exact torque or maximum torque is specified - there is a risk of over-tightening and damaging the screw or workpiece.
  2. According to the applicable product standard (see Operating Instruction for more details)

Features & Applications

Features

  • Dedicated hammering mechanism and intelligent electronics for optimised drilling and driving performance in wood
  • 7/16" hexagonal chuck with lip for easy bit changing even while wearing protective gloves
  • Specially designed grip for comfortable use with protective gloves
  • Bright LED in the base of the tool provides direct illumination of the work surface
  • Full range of smooth-drilling auger bits available

Applications

  • Driving screws in structural wood assemblies using Torx bits
  • Driving lag screws in wood assemblies using 7/16" hex to 1/2" square adapter and sockets
  • Drilling in wood assemblies using 7/16" shank auger bits
  • Drilling large-diameter holes with 7/16" shank hole saws in wood
  • Drilling in treated-wood utility poles using 7/16" shank auger bits

For approval or certificate information, please see individual items.

Services

Hilti Tool Service

  • Servicing is free of charge for up to 2 years, including wear and tear, pick-up and delivery
  • Product warranty against parts and manufacturing irregularities for 20 years
  • After 2 years repair costs are capped
  • 3-month no-cost period after each paid repair
  • Exclusive use of genuine Hilti spare parts
More information about Tool Services

Fleet Management

  • Monthly usage fee covering all tool, service and repair costs helping to ensure absolute cost control and back-office efficiency.
  • Theft coverage helps to reduce financial risk and unexpected expenses.
  • Loan tools during repair to reduce downtime.
  • Individual labels and online visibility provide tool fleet transparency
More information about Fleet Management

LifeTime Services

  • No repair costs for 2 years from date of purchase, including parts subject to wear and tear, shipping and labour
  • Pick-up and delivery service
  • After the no-cost period, repair costs are capped for as long as we service the tool
  • 3-month no-repair-cost period again after every paid repair
  • Materials and workmanship warranty over the entire life of the tool
More information about LifeTime Services
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