Psa Sanding

Psa Sanding
Random orbital sanders: what is difference among Porter-Cable 390, 392, 394?

And what is the difference between the hook-and-look (velcro?) pad and
the pressure sensitive adhesive (PSA) pad? Which type of pad is better? I want to use this to sand some metal cabinets prior to painting them with oil-based paints.

The difference is in the pad. Basically one is the hook and loop type that’s just like Velcro. They are more expensive than the PSA but the holder does not wear out as fast as the cushion on the PSA. The paper can also be changed more often without discarding the sandpaper if you change a lot between grits. I prefer the 330 for my woodworking with the PSA it is also less aggressive than the 390 and allows me to better creep up on that final 400 grit for a very smooth finish. I do have a 390 when I am taking off a lot of material or paint. It is much faster but leaves swirl marks.

Fein Multimaster Triangle PSA Sanding Pad Overview

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50 5 hole 220 grit  PSA  Sanding Disc 5


50 5 hole 220 grit PSA Sanding Disc 5″ ALUMINUM OXIDE


$23.29


100pc 5


100pc 5″ PSA “STICK ON” SANDPAPER DISC 320 GRIT da sand


$19.99


50pcs Choice of Grit 7


50pcs Choice of Grit 7″ TAB PSA SANDPAPER SANDING DISC


$29.99


100 5


100 5″ Sticky Sanding Discs 60 80 120 220 320 400 600 2000 Grit Stick-it PSA in.


$14.99


100 5


100 5″ Sticky Sanding Discs 60 80 120 220 320 400 600 2000 Grit Stick-it PSA in.


$13.99


100 5


100 5″ Sticky Sanding Discs 60 80 120 220 320 400 600 2000 Grit Stick-it PSA in.


$13.99


100 5


100 5″ Sticky Sanding Discs 60 80 120 220 320 400 600 2000 Grit Stick-it PSA in.


$13.99


100 5


100 5″ Sticky Sanding Discs 60 80 120 220 320 400 600 2000 Grit Stick-it PSA in.


$13.99


100 2 7/8


100 2 7/8″ DETAIL TRIANGLE 220 GRIT SANDING SHEETS PSA


$15.25


50pc 120 GRIT 6


50pc 120 GRIT 6″ DA SANDPAPER DISCS PSA Sanding Paper


$8.95


Norton 31480 6


Norton 31480 6″ PSA Disc Roll Sanding Sheets P100B Grit


$58.96


5


5″ 8 Hole PSA Sanding Discs 50pk 100 Grit PC #725801050


$10.99


5


5″ 8 Hole PSA Sanding Discs 50 pk 60 Grit PC #725800650


$10.99


100-pk, 60-grit 3/4


100-pk, 60-grit 3/4″” ARC, PSA, Sanding discs


$7.97


100pc 5


100pc 5″ PSA “STICK ON” SANDPAPER DISC 320 GRIT da sand


$19.99


75PC 2 7/8


75PC 2 7/8″ DETAIL TRIANGLE 220 GRIT SANDING SHEETS PSA


$12.14


50p 6


50p 6″ PSA STICK ON SANDING DISC 120 GRIT DA sand paper


$17.99


50pc 6


50pc 6″ PSA STICK ON SANDING DISC 80 GRIT DA sand paper


$19.99


100pc. 5


100pc. 5″ PSA “STICK ON” SANDPAPER DISC 80 GRIT da sand


$22.99


100pc 5


100pc 5″ PSA “STICK ON” SANDPAPER DISC 120 GRIT da sand


$22.99


100pc 5


100pc 5″ PSA “STICK ON” SANDPAPER DISC 400 GRIT da sand


$19.99


50p 6


50p 6″ PSA STICK ON SANDING DISC 180 GRIT DA sand paper


$17.99


50p 6


50p 6″ PSA STICK ON SANDING DISC 220 GRIT DA sand paper


$17.99


50pc. 5


50pc. 5″ PSA “STICK ON” SANDPAPER DISC 60 GRIT da sand


$12.99


3 PSA Sanding Disk Pads Used


3 PSA Sanding Disk Pads Used


$12.99


300PC 40 Grit 5


300PC 40 Grit 5″TAB PSA STICK-ON SANDPAPER SANDING DISC


$62.00


200PC 40 Grit 6


200PC 40 Grit 6″TAB PSA STICK-ON SANDPAPER SANDING DISC


$59.09


50  5 hole 80 grit  PSA  Sanding Disc 5


50 5 hole 80 grit PSA Sanding Disc 5″ ALUMINUM OXIDE


$18.99


50pc 6


50pc 6″ PSA STICK ON SANDING DISC 320 GRIT DA sand new


$17.99


50pc. 5


50pc. 5″ PSA “STICK ON” SANDPAPER DISC 40 GRIT da sand


$12.99


50PC 1200Grit 6


50PC 1200Grit 6″TAB PSA STICK-ON SANDPAPER SANDING DISC


$17.98


Mirka Hiolit 5 in. PSA Heavy Duty Sanding Disc 40 Grit #51-332-040 New~Old Stock


Mirka Hiolit 5 in. PSA Heavy Duty Sanding Disc 40 Grit #51-332-040 New~Old Stock


$14.25


12


12″ PSA 5 Sanding Discs Shopsmith Delta Dewalt wet or dry Great Quality Discs


$15.99


12


12″ 40g sticky PSA Zirconia Sanding/Grinding Discs Z/A 10-pk


$21.99


9


9″ Sanding Disc, 18 piece kit, 6 grits, Peel and Stick (PSA)


$12.49


50  PSA 220 grit Sanding Disc 5


50 PSA 220 grit Sanding Disc 5″ 8 hole ALUMINUM OXIDE


$21.50


200pcs Choice of Grit 6


200pcs Choice of Grit 6″ TAB PSA SANDPAPER SANDING DISC


$59.09


100pcs Choice of Grit 8


100pcs Choice of Grit 8″ TAB PSA SANDPAPER SANDING DISC


$54.00


3M three-m-ite resin bond PSA sand paper # 051144-20865


3M three-m-ite resin bond PSA sand paper # 051144-20865


$39.95


6


6″ 240 grit Stick On PSA Sanding Discs – 100 CT – Industrial Quality


$8.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$19.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


5


5″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$12.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$24.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$24.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$24.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$24.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$24.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 50Pack


$24.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$13.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$13.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$13.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$13.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$13.99


6


6″ Aluminum Oxide PSA Sanding Discs (No-Hole) 25Pack


$13.99


NEW 5


NEW 5″ Psa 180grit 8hole Disc Pk25 25PK Sanding Discs 725801825


$18.47


NEW 5


NEW 5″ Psa 220grit 8hole Disc Pk25 25PK Sanding Discs 725802225


$18.47


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 100 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 120 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 150 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 180 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 220 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 240 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 320 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 400 Grit No Hole


$25.23


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 60 Grit No Hole


$15.80


NEW 5


NEW 5″ Psa 80grit 8hole Disc Pk25 25PK Sanding Discs 725800825


$18.47


Norton 6


Norton 6″ PSA Disc Roll Sanding Sheets P600B Grit


$60.96


Norton 31475 6


Norton 31475 6″ PSA Disc Roll Sanding Sheets P240B Grit


$61.96


Norton 31689 2-3/4


Norton 31689 2-3/4″x30yds PSA Sanding Sheets P120B Grit


$54.96


Norton 6


Norton 6″ PSA Disc Roll Sanding Sheets P500B Grit


$60.96


Norton 31687 2-3/4


Norton 31687 2-3/4″x45yds PSA Sanding Sheets P180B Grit


$58.91


Norton 31481 6


Norton 31481 6″ PSA Disc Roll Sanding Sheets P80B Grit


$65.93


Norton 31479 6


Norton 31479 6″ PSA Disc Roll Sanding Sheets P120B Grit


$61.93


Norton 31686 2-3/4


Norton 31686 2-3/4″x45yds PSA Sanding Sheets P220B Grit


$58.91


Norton 31471 6


Norton 31471 6″ PSA Disc Roll Sanding Sheets P400B Grit


$63.93


Norton 31683 2-3/4


Norton 31683 2-3/4″x45yds PSA Sanding Sheets P320B Grit


$57.93


Norton 31476 6


Norton 31476 6″ PSA Disc Roll Sanding Sheets P220B Grit


$63.93


Norton 31477 6


Norton 31477 6″ PSA Disc Roll Sanding Sheets P180B Grit


$60.96


Norton 31473 6


Norton 31473 6″ PSA Disc Roll Sanding Sheets P320B Grit


$63.91


Norton 31681 2-3/4


Norton 31681 2-3/4″x45yds PSA Sanding Sheets P400B Grit


$54.96


Mirka Gold 5


Mirka Gold 5″ PSA Sanding Discs 36 Grit No Hole


$35.42


Premium Gold 6


Premium Gold 6″ 6 Hole PSA Sanding Discs Roll 180 Grit


$21.18


Premium Gold 6


Premium Gold 6″ 6 Hole PSA Sanding Discs Roll 220 Grit


$21.18


Premium Gold 6


Premium Gold 6″ 6 Hole PSA Sanding Discs Roll 320 Grit


$21.18


Hermes Sanding Disc 5


Hermes Sanding Disc 5″ PSA Stick Back Qty 500 New No Reserve


$26.00


50pc 6


50pc 6″ PSA STICK ON SANDING DISC 80 GRIT DA sand paper


$19.99


50pc 6


50pc 6″ PSA STICK ON SANDING DISC 320 GRIT DA sand new


$17.99


25PC 2 7/8


25PC 2 7/8″ DETAIL TRIANGLE 220 GRIT SANDING SHEETS PSA


$6.25


Mirka 23-615-AP Gold 5-Inch 8-Hole Dustless Hook-and-Loop Sanding Disks, 10 Each of 5 Grits


Mirka 23-615-AP Gold 5-Inch 8-Hole Dustless Hook-and-Loop Sanding Disks, 10 Each of 5 Grits


$11.50


Aluminum oxide grain is the preferred choice for woodworkers, and the high-strength resin bond system increases life. These are made with antiload stearate and have high-strength backing for increased durability. They fit DeWalt DW421 and DW423, 5-inch Ryobi, Bosch 3107 and 3725, and Makita B05010 This assortment comes with ten 80-grit 5-inch hook and loop sanding discs, ten 100-grit 5-inch hook a…

Milwaukee 6021-21 Random Orbit Palm Sander with dust collection bag


Milwaukee 6021-21 Random Orbit Palm Sander with dust collection bag


$68.48


Milwaukee’s Random Orbit Palm Sander produces a fine, swirl-free finish. The permanent magnet motor produces dependable speed and power and features electronic soft start and a variable speed dial. Designed for comfort with a tactile rubber top and body grip surface and a narrow sander body. Amps: 3, Variable Speed: Yes, Disc Diameter (in.): 5, Wheel Diameter (in.): 5, OPM: 7,000 – 12,000, Tool Le…

Porter-Cable 16000 6 In Standard Pad for 7336 and 97366 Random Orbit Sander


Porter-Cable 16000 6 In Standard Pad for 7336 and 97366 Random Orbit Sander


$17.99


The Porter-Cable 16000 pad sands flat surfaces to their smoothest and features built-in mounting thread for quick and efficient installation. The 6-inch diameter easily accommodates 6-inch adhesive-backed sanding discs and protects the discs from damage. This item is sold individually….

DURA-GOLD 80 Grit 2-3/4 PSA Roll Longboard Sandpaper


DURA-GOLD 80 Grit 2-3/4 PSA Roll Longboard Sandpaper


$24.96


Features and Benefits of DURA-GOLD Premium Sandpaper: Dura-Gold Long File Rolls are available from 80 to 400 grit for heavy stock removal to fine finishing. + Durable aluminum oxide grain delivers a fast, exceptionally long lasting cut providing increased productivity. + Propietary backing is tear resistant and stonger than the traditional backing on competitive brands. + High strength resin bondi…

Trade Associates AF44L 6pc Dura Block Sanding Kit


Trade Associates AF44L 6pc Dura Block Sanding Kit


$43.53


Dura-Block kit contains 6 popular blocking tools, all designed to accurately block curved or flat panels on any vehicle. Durable, high-density EVA foam rubber follows contours or flats. No dents, no ripples. Length (in.): 17 3/4, Dimensions L x W x H (in.): 17 3/4 x 8 1/2 x 2…

80 Grit DURA-GOLD 6 PSA Discs DA Sander Sandpaper Roll


80 Grit DURA-GOLD 6 PSA Discs DA Sander Sandpaper Roll


$26.96


Features and Benefits of DURA-GOLD Premium Sandpaper: Dura-Gold 6″ Premium Gold Discs are available from 80 to 400 grit for heavy stock removal to fine finishing. + Durable aluminum oxide grain delivers a fast, exceptionally long lasting cut providing increased productivity. + Propietary backing is tear resistant and stonger than the traditional backing on competitive brands. + High strength resin…


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