Lock Miter Router Bits


  • Description
  • Video
  • Reviews


2 flute, carbide tipped. To join materials at 90° by cutting a 45° miter and a perfect matching tongue & groove glue joint. This joint not only increases mechanical strength, but also increases glue surface area and automatically aligns parts.
Lock Miter Instructions (PDF)

Lock Miter Router Bits
Item # Thickness
of Stock		 Large Dia. Shank
Size		 Set-Up Block  
#5547 3/8 to 1/2" 1-3/8" 1/4" #9750 $29.95
#5548 1/2 to 3/4" 2" 1/4" #9751 $37.50
#7847 3/8 to 1/2" 1-3/8" 1/2" #9750 $36.50
#7849 1/2 to 3/4" 2" 1/2" #9751 $38.50
#7850 1/2 to 1-1/8" 2-3/4" 1/2" #9753 $47.50

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MLCS lock mitre router bits


MLCS Lock Miter bit instructional video.

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  • Set-Up Blocks for Lock Miter Bits
  • Reviews


Save time, effort and wood. The pre-cut joint profile allows quick, proper height adjustments with accurate setup everytime. The size of the set-up blocks varies: #9753 is 3-3/4" x 1-1/2", #9750 is 4" x 1-7/8", #9751 is 3-3/4" x 1-7/8". They're manufactured from ultra high molecular weight polymer. Items #9750 and #9751 are for 1/2" and 3/4" stock. Item #9753 is for 3/4" stock only. Instructions included. Note: The joint may need to be fine tuned after the first cut to get a perfect fit.
Set-Up Block for Lock Miter Instructions(PDF)

Set-Up Blocks for Lock Miter Bits
Item # Set-Up Block Profile Price  
#9750 Set-Up block for lock miter bits #5547 & #7847 $10.95
#9751 Set-Up block for lock miter bits #5548 & #7849 $10.95
#9753 Set-Up block for lock miter bits #7850 $10.95

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MLCS set-up blocks for mitre bits

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Two Piece 22-1/2° Lock Miter Set


  • Description
  • Reviews


2 flute, carbide tipped 1/2" shank set. The 2 bit system joins material at 45° by cutting a 22-1/2° miter. Makes a perfect matching, strong tongue and groove joint. Easy set-up. Use for octagonal shapes on corner cabinet, entertainment centers, etc. For 1/2" to 15/16" stock.

Lock Miter Instructions (PDF)
Lock Miter Routerl Bits
Item # Thickness
of Stock		 Shank
Size		 Set-Up Block  
#7740 1/2 to 15/16" 1/2" #9756 $49.95
Set-Up Block for Lock Miter Set #7740
Item # Set-Up Block Profile Price  
#9756 For two piece lock miter set #7740 (3/4" stock only) $10.95

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MLCS lock mitre router bits

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