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SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit vs Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit

Buy the SKIL combo kit if you want two tools and the best value. It has a drill driver plus an impact driver with 1,800 in-lbs of torque, and it is $39.99 at eBay as of November 3, 2026. Buy the Bosch GSR18V-400B12 if you want one lighter, simpler drill with a hard case. It is a single drill with 400 in-lbs of torque, and no price was given for it.

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SKIL
SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit

SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit

4.7· 89 ratings
$39.99at eBayObserved at 3:34 AM

Choose the SKIL combo kit if you want an impact driver for bolts and long screws along with a drill, at a low price.

Pros
Two tools for one low price
  • Impact driver has 1,800 in-lbs of torque for bolts and thick material
  • Brushless motors and compact bodies for overhead work
  • Battery charges fast and can charge a phone through PWR ASSIST
  • Bright lights on both tools
  • Cons
    • Only one battery in the kit
    • No case included
    • Direction button is easy to bump, per reviewers
    • Kit weight is 8.82 lb
    Bosch
    Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit

    Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit

    Choose the Bosch GSR18V-400B12 if you only need a drill and prefer a lighter tool with a hard case.

    Pros
    • Light at about 2 lb
    • 20+1 clutch settings for controlled driving
    • Two speeds up to 1,900 RPM
    • All-metal keyless chuck
    • Case included
    Cons
    • Only 400 in-lbs of torque
    • One tool, no impact driver
    • No price was given for comparison

    What separates them

    SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo KitBosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit
    Tools in the kitDrill driver plus impact driverDrill driver only
    Max torque1,800 in-lbs on the impact driver400 in-lbs
    Weight8.82 lb for the kit1.95 lb bare tool, 2.4 lb listed tool weight
    Speed settings3 speeds, 1,800 RPM2 speeds, 0-500 and 0-1,900 RPM
    ClutchNot listed20+1 settings
    BatteryOne 20V 2.0Ah battery with PWR ASSIST mobile charging18V 2.0Ah, 36 Wh
    CaseNo case includedCase included
    Price$39.99 at eBay as of November 3, 2026No price given

    Price history

    $118.99$39.99
    Oct 28Nov 3
    • SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit: lowest $39.99 on Nov 1 at eBay; $39.99 on Nov 3.
    • Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit: lowest $99.95 on Nov 1 at eBay.

    Prices at every store

    SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit

    • WalmartNew

      In stock

      $93.00Free shippingObserved at 3:34 AM
      Visit store
    • eBayNew

      Availability unknownSold by herrmann3979

      $39.99Observed at 3:34 AM
      Visit store
    • MercariNew

      Availability unknown

      $90.00Observed at 3:34 AM
      Visit store
    • AmazonNew

      Availability unknown

      $146.40Free shippingObserved at 10:30 PM
      Visit store

    Also available at

    • eBayCheck price at eBay
    • WalmartCheck price at Walmart
    • Integrity SupplyCheck price at Integrity Supply
    All 4 stores and price history →

    Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit

    • eBayCheck price at eBay
    • InstacartCheck price at Instacart
    • Life and HomeCheck price at Life and Home
    Prices and history →

    Specs compared

    SpecSKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo KitBosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit
    Weight8.82 lb1.95 lb
    BrandSKIL—
    Batteries inclY—
    Power typeBattery—
    Volts20 Volts—
    Battery capacity20 Volts—
    Charger includedY—
    Rec. useCommercial—
    Pieces1—
    Amps2 Amps—
    Speeds3—
    Watts40 Watts—
    Show all 40 specsShow fewer specs
    SpecSKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo KitBosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit
    ModelCB8437B10—
    colorRed—
    size1—
    Is variable speedY—
    Power SourceCordless—
    Number Of Tools2—
    Tool ComponentsDrill Driver, Impact Driver—
    Battery Voltage20V—
    Battery TypeLithium Ion—
    Number Of Batteries

    Questions and answers

    Which is better for driving long screws and bolts?
    The SKIL, because its impact driver puts out 1,800 in-lbs of torque. The Bosch drill tops out at 400 in-lbs.
    Which is lighter to hold overhead?
    The Bosch. It weighs about 2 lb, while the SKIL kit is listed at 8.82 lb with both tools and the battery.
    Is the SKIL kit worth it over the Bosch drill?
    At $39.99 at eBay as of November 3, 2026, the SKIL kit costs less than most single drills and adds an impact driver. The Bosch gives you a lighter drill with a clutch and a case.
    Does the Bosch come with a battery and charger?
    It is sold as a kit with an 18V 2.0Ah battery, and the listing says a case is included. The SKIL kit includes one 20V 2.0Ah battery and a charger.
    Which has more clutch control?
    The Bosch, with 20+1 clutch settings. The SKIL listing does not give clutch settings.
    Which is better for a homeowner with occasional jobs?
    The SKIL kit covers more jobs for less money. The Bosch suits someone who mostly drills and wants a light, simple tool.

    More comparisons

    • 20V MAX Cordless Drill and Impact Driver, Power Tool Combo Kit vs SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit
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    • DeWalt 20V MAX Cordless Drill/Driver Kit vs SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit
    • MILWAUKEE M18 FUEL 18V Lithium-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) with 2 Batteries vs SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit
    • Bosch 12-Volt Max Drill/Driver Kit vs Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit
    • WORKPRO 20V Cordless Drill Combo Kit vs SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit
    • SKIL CB8437B-10 20V PWRCORE 20 Brushless Compact Lithium-Ion Cordless Drill Driver and Impact Driver Combo Kit vs Ryobi ONE+ drill and impact driver combo kit
    • Bosch GSR18V-400B12 18V Compact Brushless 1/2 Inch Drill/Driver Kit vs Bosch PS31-2A 12-Volt Max

    Buying guides that pick them

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    1
    —
    Motor TypeBrushless, Digital Brushless Motor—
    Intended ApplicationDrilling—
    MaterialMetal (Chuck type)—
    ColorsRed—
    Speed1800 RPM—
    Included AccessoriesCharger—
    Case IncludedNo—
    Typical UsersADULT—
    Battery chemistry—Lithium Ion
    Battery watt hours—36 Wh
    Chuck size—1/2 in
    Chuck design—Keyless
    No load RPM—0-500 / 0-1,900
    Torque—400 in. lbs.
    Length—6.3 "
    Height—8 "
    Width—2.9 "
    Decibel rating—72