For making square mortises in one stroke, and oblong mortises with each succeeding stroke. 4” blade, 5-1/2” overall length. 1/4” and 5/16” sizes have reinforced blade.
Stock Number
Size
Shank
Mortising Depth
Dia.
Length
280250
1/4
5/8
1-1/2
1-7/8
280312
5/16
5/8
1-1/2
1-7/8
280375
3/8
5/8
1-1/2
3-1/4
280500
1/2
5/8
1-1/2
3-1/4
280625
5/8
3/4
1-1/2
3-1/4
280750
3/4
1-1/8
1-1/2
3-1/4
281000
1
1-1/8
1-1/2
3-1/4
No. 27 Hollow Mortising Chisel
For making square mortises in one stroke, and oblong mortises with each succeeding stroke. 2-3/4” blade, 4-1/4” overall length. For shallow mortises.