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All Categories -> Chemicals, Lubricants & Paints -> Lubricants & Penetrants -> Penetrant
Knocker Loose Penetrating Solvent


  • Industrial strength, low viscosity lubricant/penetrant

  • Formulated to dissolve rust, varnish and corrosion

  • Loosens rusted & corroded nuts, bolts, etc.

  • Lubricating residue prevents corrosion

  • NSF H2 registered

Item/DescPriceUMAvail 
068-03020(please login)
16 oz Knock'er Loose Penetrating Solvent (12 ea)
Knocker Loose Plus Penetrating Solvent


  • Evaporates quickly

  • Leaves no residue

  • No flash or fire point

  • Contains no Class I or Class II Ozone Depleting Chemicals

Item/DescPriceUMAvail 
068-03027(please login)
20 oz Knock'er Loose Penetrating Solvent (12 ea)
Fast Penetrating Oil


  • NSF certified

  • Pure oil blend

  • Contains no silicone

  • Fast penetrating oil and lubricant

  • Breaks loose rusted joints and bolts

  • Controls rust, corrosion and squeaks

Item/DescPriceUMAvail 
196-C-10(please login)
13 oz Break Away Fast Penetrating Oil (12 ea)
Free All Penetrating Oil


  • Contains No silicones

  • Specially formulated, rust eating agent

  • Frees up all threaded pipe connections, rusted machine screws, bolts, nuts, clamps for mufflers and tail pipes, pillow blocks, universal joints, locks, etc.

Item/DescPriceUMAvail 
179-RE12(please login)
Free All Penetrating Oil (12 ea)
Aerokroil - Kroil Original Penetrant - KS102

  • Helps remove and prevent rust

  • Cleans and lubricates

  • Displaces moisture

Item/DescPriceUMAvail 
284-KS102(please login)
10 oz Aerokroil - Kroil Original Penetrant
Aerokroil - Kroil Original Penetrant - KS132

  • Helps remove and prevent rust

  • Cleans and lubricates

  • Displaces moisture

Item/DescPriceUMAvail 
284-KS132(please login)
13 oz Aerokroil - Kroil Original Penetrant
Aerokroil - Kroil Original Penetrant - KS162

  • Helps remove and prevent rust

  • Cleans and lubricates

  • Displaces moisture

Item/DescPriceUMAvail 
284-KS162(please login)
16.5 oz Aerokroil - Kroil Original Penetrant
Aerokroil - Kroil Original Penetrant - KS132ST

  • Helps remove and prevent rust

  • Cleans and lubricates

  • Displaces moisture

  • Aerokroil with SprayTech™

  • Dispenses every drop

  • Spray from any angle – even upside down

Item/DescPriceUMAvail 
284-KS132ST(please login)
13 oz Aerokroil - Kroil Original Penetrant
Kroil Original Penetrant - KL081

  • Attacks corrosion

  • Helps remove rust & carbon deposits

  • Penetrates quickly

  • Simplifies repairs

  • Penetrates deeply

Item/DescPriceUMAvail 
284-KL081(please login)
8 oz Kroil Original Penetrant
Kroil Original Penetrant - KL011

  • Attacks corrosion

  • Helps remove rust & carbon deposits

  • Penetrates quickly

  • Simplifies repairs

  • Penetrates deeply

Item/DescPriceUMAvail 
284-KL011(please login)
1 gal Kroil Original Penetrant
Silikroil - Kroil Penetrant w/ Silicone - SK102

  • Engineered to loosen frozen metal parts and provide extra lubrication

  • The addition of silicone results in superior penetration, lubrication, and rust prevention

  • Proprietary blend of oils and solvents

Item/DescPriceUMAvail 
284-SK102(please login)
10 oz Silikroil - Kroil Penetrant w/ Silicone
Silikroil - Kroil Penetrant w/ Silicone - SK162

  • Engineered to loosen frozen metal parts and provide extra lubrication

  • The addition of silicone results in superior penetration, lubrication, and rust prevention

  • Proprietary blend of oils and solvents

Item/DescPriceUMAvail 
284-SK162(please login)
16.5 oz Silikroil - Kroil Penetrant w/ Silicone
Silikroil - Kroil Penetrant w/ Silicone - SK011

  • Engineered to loosen frozen metal parts and provide extra lubrication

  • The addition of silicone results in superior penetration, lubrication, and rust prevention

  • Proprietary blend of oils and solvents

Item/DescPriceUMAvail 
284-SK011(please login)
1 gal Silikroil - Kroil Penetrant w/ Silicone
Penephite - Kroil Penetrant w/ Graphite - PH132

  • Unique blend of oils, solvents, and graphite

  • Penetrates the smallest gaps of corroded metals to loosen seized parts

  • Graphite is designed to stick to metal and provide long lasting lubrication

  • Remains in place even in operating temperatures up to 700°

Item/DescPriceUMAvail 
284-PH132(please login)
13 oz Penephite - Kroil Penetrant w/ Graphite
LST Penetrant - 01916


  • Fast penetrating action

  • Displaces moisture

  • Loosens rust and corrosion to free frozen parts

  • Powerful foaming action provides complete surface coverage

  • Inverta Spray Valve

  • Flash point of 175°F

Item/DescPriceUMAvail 
199-01916(please login)
11 oz LST Penetrant
KB 88 The Ultimate Penetrant - 02322


  • Formulated to attack and quickly release rusted and corroded parts

  • High KB solvency value of 151 and low surface tension

  • Displaces moisture

  • Aggressive formula

Item/DescPriceUMAvail 
199-02322(please login)
20 oz KB 88 The Ultimate Penetrant
KB-88 Penetrant - 02316


  • Displaces moisture

  • Aggressive formula

  • Quickly releases rusted and corroded nuts, bolts, hinges, and other frozen components

Item/DescPriceUMAvail 
199-02316(please login)
16 oz KB-88 Penetrant Fill Meets CA VOC (12 ea)
MAX KB 88 Maximum Penetrant - 92316


  • Displaces moisture

  • Kb solvency value of 151

  • Advanced penetration formula frees frozen parts faster

  • Locking flip straw actuator

  • Nozzle provides targeted or broad stroke application

Item/DescPriceUMAvail 
199-92316(please login)
13 oz MAX KB 88 Maximum Penetrant
Penetrating Catalyst - 16-PB-DS

  • Serves as a rust inhibitor

  • Non-evaporating lubricant

  • Breaks Free Rusted or Frozen Parts

  • Protects Against Further Rust and Corrosion

  • ProStraw with Control Flow Technology

  • This item REPLACES - 036-16-PB

Item/DescPriceUMAvail 
036-16-PB-DS(please login)
11 oz PB Blaster Penetrant (12 ea)
Penetrating Catalyst - 26-PB

  • Serves as a rust inhibitor

  • Non-evaporating lubricant

  • Breaks Free Rusted or Frozen Parts

  • Protects Against Further Rust and Corrosion

Item/DescPriceUMAvail 
036-26-PB(please login)
18 oz PB Blaster Penetrant (6 ea)
Penetrating Catalyst - 128-PB

  • Higher 152°F flashpoint

  • Serves as a rust inhibitor

  • Non-evaporating lubricant

  • Breaks loose surface tension of rust/frozen parts

Item/DescPriceUMAvail 
036-128-PB(please login)
1 gal PB Blaster Penetrant (4 gal)
Penetrating Oil

  • Safe, fast, effective

  • Pleasant citrus odor

  • Cuts rust & carbon rapidly

  • No galling or binding

Item/DescPriceUMAvail 
226-S-OK-AERO(please login)
10 oz S-OK Penetrating Oil (12 ea)
Syncopen Synthetic Penetrant - 85011

  • Fast-acting, penetrating spray that cuts through rust or corrosion in those hard to reach places, to allow easy removal of rusted and corroded screws, nuts or bolts

  • Leaves a protective film of synthetic oil to help prevent future rusting or corrosion

  • NSF rated H1 for incidental food contact

Item/DescPriceUMAvail 
072-85011(please login)
11 oz Syncopen Synthetic Penetrant (12 ea)



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