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Mechanical Locking Discs

A: ROLOC® initially introduced by 3M® has a male screw attached to each disc. The ROLOC® holder is female.

B: METAL BUTTON has a female button attached to each disc. The metal button holder is male.

C: POWER-LOCK® introduced by Merit® has six plastic sides which snap into a female holder of same design.

We stock all three types of discs and holders.

In addition to polishing metal surfaces, these heavy duty nylon scrim reinforced discs are great on wood or for removing gaskets from engine blocks. Sale prices are listed in red.

Mechanical Locking Discs Sale items are listed in red.

Metal Button Holder

Name Description Order
1" METAL BUTTON HOLDER (B)
1 1/2" METAL BUTTON HOLDER (B)
2" METAL BUTTON HOLDER (B)
3" METAL BUTTON HOLDER (B)
4" METAL BUTTON HOLDER (B)
1" METAL BUTTON HOLDER (B) w/ 1/8" Shank
1 1/2" METAL BUTTON HOLDER (B) w/ 1/8" Shank

Power Lock Holder

Name Description Order
1" POWER LOCK HOLDER (C)
1" POWER LOCK HOLDER (C) w/ 1/8" Shank
1 1/2" POWER LOCK HOLDER (C) w/ 1/8" Shank
2" POWER LOCK HOLDER (C)
3" POWER LOCK HOLDER (C)
4" POWER LOCK HOLDER (C)

Roloc Holder

Name Description Order
1" ROLOC HOLDER (A) w/ 1/8" Shank
1" ROLOC HOLDER (A)
1 1/2" ROLOC HOLDER (A)
1 1/2" ROLOC HOLDER (A) w/ 1/8" Shank
2" ROLOC HOLDER (A)
3" ROLOC HOLDER SOFT (A)
3" ROLOC HOLDER (A)

ROLOC (Type-A)

ROLOC (Type-A) Type A: ROLOC® initially introduced by 3M® has a male screw attached to each disc.
The ROLOC® holder is female.
Find Holder @ ROLOC HOLDER
Name Description Order
1" ROLOC DISCS AO (A) Grit: 24
1" ROLOC DISCS AO (A) Grit: 36
1" ROLOC DISCS AO (A) Grit: 40
1" ROLOC DISCS AO (A) Grit: 50
1" ROLOC DISCS AO (A) Grit: 60
1" ROLOC DISCS AO (A) Grit: 80
1" ROLOC DISCS AO (A) Grit: 100
1" ROLOC DISCS AO (A) Grit: 120
1" ROLOC DISCS AO (A) Grit: 150
1" ROLOC DISCS AO (A) Grit: 180
1" ROLOC DISCS AO (A) Grit: 220
1" ROLOC DISCS AO (A) Grit: 320
1" ROLOC DISCS ZIRC (A) Grit: 36
1" ROLOC DISCS ZIRC (A) Grit: 40
1" ROLOC DISCS ZIRC (A) Grit: 50
1" ROLOC DISCS ZIRC (A) Grit: 60
1" ROLOC DISCS ZIRC (A) Grit: 80
1" ROLOC DISCS ZIRC (A) Grit: 100
1" ROLOC DISCS ZIRC (A) Grit: 120
1.5" ROLOC DISCS AO (A) Grit: 24
1.5" ROLOC DISCS AO (A) Grit: 36
1.5" ROLOC DISCS AO (A) Grit: 40
1.5" ROLOC DISCS AO (A) Grit: 50
1.5" ROLOC DISCS AO (A) Grit: 60
1.5" ROLOC DISCS AO (A) Grit: 80
1.5" ROLOC DISCS AO (A) Grit: 100
1.5" ROLOC DISCS AO (A) Grit: 120
1.5" ROLOC DISCS AO (A) Grit: 150
1.5" ROLOC DISCS AO (A) Grit: 180
1.5" ROLOC DISCS AO (A) Grit: 220
1.5" ROLOC DISCS AO (A) Grit: 320
1.5" ROLOC DISCS ZIRC (A) Grit: 36
1.5" ROLOC DISCS ZIRC (A) Grit: 40
1.5" ROLOC DISCS ZIRC (A) Grit: 50
1.5" ROLOC DISCS ZIRC (A) Grit: 60
1.5" ROLOC DISCS ZIRC (A) Grit: 80
1.5" ROLOC DISCS ZIR (A) Grit: 100
1.5" ROLOC DISCS ZIRC (A) Grit: 120
2" ROLOC DISCS AO (MIRKA) (A) Grit: 24
2" ROLOC DISCS AO (MIRKA) (A) Grit: 36
2" ROLOC DISCS AO (SWISS) (A) Grit: 40
2" ROLOC DISCS AO (MIRKA) (A) Grit: 50
2" ROLOC DISCS AO (SMA) (A) Grit: 60
2" ROLOC DISCS AO (MIRKA) (A) Grit: 80
2" ROLOC DISCS AO (SUN) (A) Grit: 100
2" ROLOC DISCS AO (SMA) (A) Grit: 120
2" ROLOC DISCS AO (A) Grit: 150
2" ROLOC DISCS AO (A) Grit: 240
2" ROLOC DISCS ZIRC w/grinding aid (A) Grit: 24
2" ROLOC DISCS ZIRC (R205) (A) Grit: 36
2" ROLOC DISCS ZIRC (SUN) (A) Grit: 50
2" ROLOC DISCS ZIRC (SUN) (A) Grit: 60
2" ROLOC DISCS ZIRC (SMA) (A) Grit: 80
2" ROLOC DISCS ZIRC (SUN) (A) Grit: 100
2" ROLOC DISCS ZIRC (SUN) (A) Grit: 120
2" ROLOC DISCS CERAMIC (3M 963G RED OR 967FGOLD) (A) Grit: 24
2" ROLOC DISCS CERAMIC (3M REGALITE 777F OR REGALOY 963G RED) (A) Grit: 36
2" ROLOC DISCS CERAMIC 3M REGAL 963 (A) Grit: 40
2" ROLOC DISCS CERAMIC (NORTON S.G. R984) (A) Grit: 60
3" ROLOC DISCS AO (MIRKA OR KONA) (A) Grit: 24
3" ROLOC DISCS AO (A) Grit: 36
3" ROLOC DISCS AO (MIRKA) (A) Grit: 50
3" ROLOC DISCS AO (USA) (A) Grit: 60
3" ROLOC DISCS AO (A) Grit: 80
3" ROLOC DISCS AO (USA) (A) Grit: 120
3" ROLOC DISCS AO (USA) (A) Grit: 150
3" ROLOC DISCS AO (SUN) (A) Grit: 180
3" ROLOC DISCS AO (VITEX) (A) Grit: 240
3" ROLOC DISCS AO (USA) (A) Grit: 320
3" ROLOC DISCS ZIRC (SUN) (A) Grit: 24
3" ROLOC DISCS ZIRC (SUN) (A) Grit: 36
3" ROLOC DISCS ZIRC (SUN) (A) Grit: 50
3" ROLOC DISCS ZIRC (USA) (A) Grit: 60
3" ROLOC DISCS ZIRC (SUN) (A) Grit: 80
3" ROLOC DISCS ZIRC (SUN) (A) Grit: 120
3" ROLOC DISCS CERAMIC (3M777F REGALITE) (A) Grit: 80
3" ROLOC DISCS CERAMIC (3M984C REGAL-RED 86038) (A) Grit: 80
4" ROLOC DISCS AO (A) Grit: 24
4" ROLOC DISCS AO (A) Grit: 36
4" ROLOC DISCS AO (A) Grit: 50
4" ROLOC DISCS AO (A) Grit: 80
4" ROLOC DISCS AO (A) Grit: 120
4" ROLOC DISCS ZIRC (R205) (A) Grit: 36
4" ROLOC DISCS ZIR (A) Grit: 50
4" ROLOC DISCS ZIR (A) Grit: 60
4" ROLOC DISCS ZIR (R205) (A) Grit: 80
4" ROLOC DISCS ZIR (A) Grit: 120

ROLOC (Type-A) CONDITIONING


A: ROLOC® initially introduced by 3M® has a male screw attached to each disc.
     The ROLOC® holder is female.
Name Description Order
1 1/2" ROLOC CONDITIONING DISC (A) Grit: COARSE
1 1/2" ROLOC CONDITIONING DISC (A) Grit: MEDIUM
1 1/2" ROLOC CONDITIONING DISC (A) Grit: FINE
2" ROLOC CONDITIONING DISC (A) Grit: COARSE
2" ROLOC CONDITIONING DISC (A) Grit: MEDIUM
2" ROLOC CONDITIONING DISC WITH NUBS (3M) Grit: MEDIUM
2" ROLOC CONDITIONING DISC (A) Grit: FINE
3" ROLOC CONDITIONING DISC (A) Grit: COARSE
3" ROLOC CONDITIONING DISC (A) Grit: MEDIUM
3" ROLOC CONDITIONING DISC (A) Grit: FINE
4" ROLOC CONDITIONING DISC (A) Grit: COARSE
4" ROLOC CONDITIONING DISC (A) Grit: MEDIUM
4" ROLOC CONDITIONING DISC (A) Grit: FINE

METAL BUTTON (Type B)

B: METAL BUTTON has a female button attached to each disc. The metal button holder is male.
Find holder @ METAL BUTTON
Name Description Order
1" METAL BUTTON DISC AO (B) Grit: 24
1" METAL BUTTON DISC AO (B) Grit: 36
1" METAL BUTTON DISC AO (B) Grit: 40
1" METAL BUTTON DISC AO (B) Grit: 50
1" METAL BUTTON DISC AO (B) Grit: 60
1" METAL BUTTON DISC AO (B) Grit: 80
1" METAL BUTTON DISC AO (B) Grit: 100
1" METAL BUTTON DISC AO (B) Grit: 120
1" METAL BUTTON DISC AO (B) Grit: 150
1" METAL BUTTON DISC AO (B) Grit: 180
1" METAL BUTTON DISC AO (B) Grit: 220
1" METAL BUTTON DISC AO (B) Grit: 320
1" METAL BUTTON DISC ZIR (B) Grit: 36
1" METAL BUTTON DISC ZIR (B) Grit: 40
1" METAL BUTTON DISC ZIR (B) Grit: 50
1" METAL BUTTON DISC ZIR (B) Grit: 60
1" METAL BUTTON DISC ZIR (B) Grit: 80
1" METAL BUTTON DISC ZIR (B) Grit: 100
1" METAL BUTTON DISC ZIR (B) Grit: 120
1.5" METAL BUTTON DISC AO (B) Grit: 24
1.5" METAL BUTTON DISC AO (B) Grit: 36
1.5" METAL BUTTON DISC AO (B) Grit: 50
1.5" METAL BUTTON DISC AO (B) Grit: 60
1.5" METAL BUTTON DISC AO (B) Grit: 80
1.5" METAL BUTTON DISC AO (B) Grit: 120
1.5" METAL BUTTON DISC AO (B) Grit: 150
1.5" METAL BUTTON DISC AO (B) Grit: 180
1.5" METAL BUTTON DISC AO (B) Grit: 220
1.5" METAL BUTTON DISC AO (B) Grit: 320
1.5" METAL BUTTON DISC ZIR (B) Grit: 24
1.5" METAL BUTTON DISC ZIR (A) Grit: 36
1.5" METAL BUTTON DISC ZIR (B) Grit: 40
1.5" METAL BUTTON DISC ZIR (B) Grit: 50
1.5" METAL BUTTON DISC ZIR (B) Grit: 60
1.5" METAL BUTTON DISC ZIR (B) Grit: 80
1.5" METAL BUTTON DISC ZIR (B) Grit: 100
1.5" METAL BUTTON DISC ZIR (B) Grit: 120
2" METAL BUTTON DISC AO (B) Grit: 24
2" METAL BUTTON DISCS (B) Standard USA AO Grit: 24
2" METAL BUTTON DISC AO (B) Grit: 36
2" METAL BUTTON DISCS (B) Standard USA AO Grit: 36
2" METAL BUTTON DISC AO (B) Grit: 40
2" METAL BUTTON DISC AO (B) Grit: 50
2" METAL BUTTON DISCS (B) Standard USA AO Grit: 50
2" METAL BUTTON DISC AO (B) Grit: 60
2" METAL BUTTON DISC AO (B) Grit: 80
2" METAL BUTTON DISC AO (B) Grit: 100
2" METAL BUTTON DISC AO (B) Grit: 120
2" METAL BUTTON DISC AO (B) Grit: 150
2" METAL BUTTON DISC AO (B) Grit: 180
2" METAL BUTTON DISC AO (B) Grit: 220
2" METAL BUTTON DISC AO (B) Grit: 320
2" METAL BUTTON DISC ZIR (B) Grit: 24
2" METAL BUTTON DISC ZIR (B) Grit: 36
2" METAL BUTTON DISC ZIR (B) Grit: 40
2" METAL BUTTON DISC ZIR (B) Grit: 50
2" METAL BUTTON DISC ZIR (B) Grit: 60
2" METAL BUTTON DISC ZIR (B) Grit: 80
2" METAL BUTTON DISC ZIR (B) Grit: 100
2" METAL BUTTON DISC ZIR (B) Grit: 120
2" METAL BUTTON DISC CERAMIC 3M (B) (free holder w/ 100pc Pur.) Grit: 60
3" METAL BUTTON DISC AO (B) Grit: 24
3" METAL BUTTON DISCS (B) Standard USA AO Grit: 24
3" METAL BUTTON DISC AO (B) Grit: 36
3" METAL BUTTON DISCS (B) Standard USA AO Grit: 36
3" METAL BUTTON DISC AO (B) Grit: 40
3" METAL BUTTON DISC AO (B) Grit: 50
3" METAL BUTTON DISCS (B) Standard USA AO Grit: 50
3" METAL BUTTON DISC AO (B) Grit: 60
3" METAL BUTTON DISC AO (B) Grit: 80
3" METAL BUTTON DISC AO (B) Grit: 100
3" METAL BUTTON DISC AO (B) Grit: 120
3" METAL BUTTON DISC AO (B) Grit: 150
3" METAL BUTTON DISC AO (B) Grit: 180
3" METAL BUTTON AO DISCS (B) NORTON R228 Grit: 180
3" METAL BUTTON DISC AO (B) Grit: 220
3" METAL BUTTON DISC AO (B) Grit: 320
3" METAL BUTTON DISC ZIR (B) Grit: 24
3" METAL BUTTON DISC ZIR (B) Grit: 36
3" METAL BUTTON DISC ZIR (B) Grit: 40
3" METAL BUTTON DISC ZIR (B) Grit: 50
3" METAL BUTTON DISC ZIR (B) Grit: 60
3" METAL BUTTON DISC ZIR (B) Grit: 80
3" METAL BUTTON DISC ZIR (B) Grit: 100
3" METAL BUTTON DISC ZIR (B) Grit: 120
4" METAL BUTTON DISC AO (B) Grit: 36
4" METAL BUTTON DISC AO (B) Grit: 40
4" METAL BUTTON DISC AO (B) Grit: 50
4" METAL BUTTON DISC AO (B) Grit: 60
4" METAL BUTTON DISC AO (B) Grit: 80
4" METAL BUTTON DISC AO (B) Grit: 100
4" METAL BUTTON DISC AO (B) Grit: 120
4" METAL BUTTON DISC AO (B) Grit: 150
4" METAL BUTTON DISC AO (B) Grit: 180
4" METAL BUTTON DISC AO (B) Grit: 220
4" METAL BUTTON DISC AO (B) Grit: 320
4" METAL BUTTON DISC ZIR (B) Grit: 36
4" METAL BUTTON DISC ZIR (B) Grit: 40
4" METAL BUTTON DISC ZIR (B) Grit: 50
4" METAL BUTTON DISC ZIR (B) Grit: 60
4" METAL BUTTON DISC ZIR (B) Grit: 80
4" METAL BUTTON DISC ZIR (B) Grit: 100
4" METAL BUTTON DISC ZIR (B) Grit: 120

METAL BUTTON (Type B) CONDITIONING

METAL BUTTON (Type B) CONDITIONING B: METAL BUTTON has a female button attached to each disc.
     The metal button holder is male.

Sale items are listed in red.
Name Description Order
1 1/2" METAL BUTTON CONDITIONING DISC (B) Grit: COARSE
1 1/2" METAL BUTTON CONDITIONING DISC (B) Grit: MEDIUM
1 1/2" METAL BUTTON CONDITIONING DISC (B) Grit: FINE
2" METAL BUTTON CONDITIONING DISC (B) Grit: COARSE
2" METAL BUTTON CONDITIONING DISC (B) Grit: MEDIUM
2" METAL BUTTON CONDITIONING DISC (B) Grit: FINE
3" METAL BUTTON CONDITIONING DISC (B) Grit: COARSE
3" METAL BUTTON CONDITIONING DISC (B) Grit: MEDIUM
3" METAL BUTTON CONDITIONING DISC (B) Grit: FINE
4" METAL BUTTON CONDITIONING DISC (B) Grit: COARSE
4" METAL BUTTON CONDITIONING DISC (B) Grit: MEDIUM
4" METAL BUTTON CONDITIONING DISC (B) Grit: FINE

POWER LOCK (Type-C)

C: POWER-LOCK® introduced by Merit® has six plastic sides which snap into a female holder of same design.
Find Holder @ POWER LOCK
Name Description Order
1" POWER LOCK DISC AO ( C) Grit: 36
1" POWER LOCK DISC AO ( C) Grit: 40
1" POWER LOCK DISC AO ( C) Grit: 60
1" POWER LOCK DISC AO ( C) Grit: 80
1" POWER LOCK DISC AO ( C) Grit: 100
1" POWER LOCK DISC AO ( C) Grit: 120
1" POWER LOCK DISC AO ( C) Grit: 150
1" POWER LOCK DISC AO ( C) Grit: 180
1" POWER LOCK DISC AO ( C) Grit: 220
1" POWER LOCK DISC AO ( C) Grit: 320
1" POWER LOCK DISC ZIR ( C) Grit: 36
1" POWER LOCK DISC ZIR ( C) Grit: 40
1" POWER LOCK DISC ZIR ( C) Grit: 50
1" POWER LOCK DISC ZIR ( C) Grit: 60
1" POWER LOCK DISC ZIR ( C) Grit: 80
1" POWER LOCK DISC ZIR ( C) Grit: 100
1" POWER LOCK DISC ZIR ( C) Grit: 120
1.5" POWER LOCK DISC AO ( C) Grit: 36
1.5" POWER LOCK DISC AO ( C) Grit: 40
1.5" POWER LOCK DISC AO ( C) Grit: 50
1.5" POWER LOCK DISC AO ( C) Grit: 60
1.5" POWER LOCK DISC AO ( C) Grit: 80
1.5" POWER LOCK DISC AO ( C) Grit: 100
1.5" POWER LOCK DISC AO ( C) Grit: 120
1.5" POWER LOCK DISC AO ( C) Grit: 150
1.5" POWER LOCK DISC AO ( C) Grit: 180
1.5" POWER LOCK DISC AO ( C) Grit: 220
1.5" POWER LOCK DISC AO ( C) Grit: 320
1.5" POWER LOCK DISC ZIR ( C) Grit: 36
1.5" POWER LOCK DISC ZIR ( C) Grit: 40
1.5" POWER LOCK DISC ZIR ( C) Grit: 50
1.5" POWER LOCK DISC ZIR ( C) Grit: 60
1.5" POWER LOCK DISC ZIR ( C) Grit: 80
1.5" POWER LOCK DISC ZIR ( C) Grit: 100
1.5" POWER LOCK DISC ZIR ( C) Grit: 120
2" POWER LOCK DISC AO ( C) Grit: 24
2" POWER LOCK DISC AO ( C) Grit: 36
2" POWER LOCK DISCS AO (C) 3M 361F (free holder w. 100pc pur). Grit: 36
2" POWER LOCK DISC AO ( C) Grit: 40
2" POWER LOCK DISC AO ( C) Grit: 50
2" POWER LOCK DISC AO ( C) Grit: 60
2" POWER LOCK DISC AO ( C) Grit: 80
2" POWER LOCK DISC AO ( C) Grit: 100
2" POWER LOCK DISC AO ( C) Grit: 120
2" POWER LOCK DISC AO ( C) Grit: 150
2" POWER LOCK DISC AO ( C) Grit: 180
2" POWER LOCK DISC AO ( C) Grit: 220
2" POWER LOCK DISC AO ( C) Grit: 320
2" POWER LOCK DISC ZIR ( C) Grit: 36
2" POWER LOCK DISC ZIR ( C) Grit: 40
2" POWER LOCK DISC ZIR ( C) Grit: 50
2" POWER LOCK DISC ZIR ( C) Grit: 60
2" POWER LOCK DISC ZIR ( C) Grit: 80
2" POWER LOCK DISC ZIR ( C) Grit: 100
2" POWER LOCK DISC ZIR ( C) Grit: 120
3" POWER LOCK DISC AO ( C) Grit: 36
3" POWER LOCK DISC AO ( C) Grit: 40
3" POWER LOCK DISC AO ( C) Grit: 50
3" POWER LOCK DISC AO ( C) Grit: 60
3" POWER LOCK DISC AO ( C) Grit: 80
3" POWER LOCK DISC AO ( C) Grit: 100
3" POWER LOCK DISC AO ( C) Grit: 120
3" POWER LOCK DISC AO ( C) Grit: 150
3" POWER LOCK DISC AO ( C) Grit: 180
3" POWER LOCK DISC AO ( C) Grit: 220
3" POWER LOCK DISC AO ( C) Grit: 320
3" POWER LOCK DISC ZIR ( C) Grit: 36
3" POWER LOCK DISC ZIR ( C) Grit: 40
3" POWER LOCK DISC ZIR ( C) Grit: 50
3" POWER LOCK DISC ZIR ( C) Grit: 60
3" POWER LOCK DISC ZIR ( C) Grit: 80
3" POWER LOCK DISC ZIR ( C) Grit: 100
3" POWER LOCK DISC ZIR ( C) Grit: 120
4" POWER LOCK DISC AO ( C) Grit: 24
4" POWER LOCK DISC AO ( C) Grit: 36
4" POWER LOCK DISC AO ( C) Grit: 50
4" POWER LOCK DISC AO ( C) Grit: 60
4" POWER LOCK DISC AO ( C) Grit: 80
4" POWER LOCK DISC AO ( C) Grit: 100
4" POWER LOCK DISC AO ( C) Grit: 120
4" POWER LOCK DISC AO ( C) Grit: 150
4" POWER LOCK DISC AO ( C) Grit: 180
4" POWER LOCK DISC AO ( C) Grit: 220
4" POWER LOCK DISC AO ( C) Grit: 320
3" POWER LOCK DISC ZIR ( C) Grit: 36
4" POWER LOCK DISC ZIR ( C) Grit: 40
4" POWER LOCK DISC ZIR ( C) Grit: 50
4" POWER LOCK DISC ZIR ( C) Grit: 60
4" POWER LOCK DISC ZIR ( C) Grit: 80
4" POWER LOCK DISC ZIR ( C) Grit: 100
4" POWER LOCK DISC ZIR ( C) Grit: 120
4" POWER LOCK DISC AO ( C) Grit: 40

POWER LOCK (Type-C) CONDITIONING

C: POWER-LOCK® introduced by Merit® has six plastic sides which snap into a female holder of same design.
Name Description Order
1 1/2" POWER LOCK CONDITIONING DISC (C) Grit: COARSE
1 1/2" POWER LOCK CONDITIONING DISC (C) Grit: MEDIUM
1 1/2" POWER LOCK CONDITIONING DISC (C) Grit: FINE
2" POWER LOCK CONDITIONING DISC (C) Grit: COARSE
2" POWER LOCK CONDITIONING DISC (C) Grit: MEDIUM
2" POWER LOCK CONDITIONING DISC (C) Grit: FINE
3" POWER LOCK CONDITIONING DISC (C) Grit: COARSE
3" POWER LOCK CONDITIONING DISC (C) Grit: MEDIUM
3" POWER LOCK CONDITIONING DISC (C) Grit: FINE
4" POWER LOCK CONDITIONING DISC (C) Grit: COARSE
4" POWER LOCK CONDITIONING DISC (C) Grit: MEDIUM
4" POWER LOCK CONDITIONING DISC (C) Grit: FINE

3M Roloc Bristle Discs

3M Roloc Bristle Discs Ideal for stripping off gaskets, deburring, cleaning and finishing metal & wood.
Name Description Order
2" 3M SB-18730 GREEN BRISTLE DISCS Grit: GREEN 50
2" 3M SB-18732 YELLOW BRISTLE DISCS Grit: YELLOW 80
3" 3M SB-18734-1 GREEN BRISTLE DISCS Grit: GREEN 50
3" 3M SB-18736-5 YELLOW BRISTLE DISCS Grit: YELLOW 80