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SUBURBAN TOOL, INC.

PRECISION TRI-BLOCKS

  • Hardened steel, ground on all six sides.
  • Available as single blocks OR in matched pairs per chart below.
  • B-123-H1-M has one 1/2" through hole in 2" x 3" face.
  • 11 hole models have 5/16-18 tapped holes.
  • 23 hole models have 3/8-16 tapped holes.
  • All models except PB123, come with fitted wooden box.
  • B-123-H11-M, B-123-H23M, B-234-H23-M & B-246-H23-M have drilled, counterbored & tapped holes to allow screw mounting and conversion into angle plates & other precision set-ups.

MODEL PAIR or
SINGLE
HOLES SQUARE SIZE (INCHES) WT(#)
B-123-H1-M
B-123-H11-M
B-123-H23-M
B-123-NH-M
B-234-H23-M
B-246-H23-M
PB-123
P
P
P
P
P
P
S
1
11
23
NONE
23
23
NONE
.0001" per in.
.0001" per in.
.0001" per in.
.0001" per in.
.0001" per in.
.0001" per in.
.0002" total
1 x 2 x 3 +/-.0002"
1 x 2 x 3 +.0001"/.0003"
1 x 2 x 3 +.0001"/.0003"
1 x 2 x 3 +.0001"/.0003"
2 x 3 x 4  +.0001"/.0003"
2 x 4 x 6 +.0001"/.0003"
1 x 2 x 3 +/-.0001"
3
3
3
3
12
24
2
SPECIAL SIZES AVAILABLE UPON REQUEST

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