Page 131 Penn Tool Co. Precision Tooling Buyer's Guide 2019
P. 131
129
749
• Made in numbered pairs from mild steel.
• Surfaces (except V) are square and parallel
with each other within 0.002".
• V-grooves are square and parallel with
all surfaces within 0.0035".
• Dimensions: 1 ⁄ " square x 2" long, work
1
2
capacity of approximately 1 ⁄ " diameter.
1
2
DESCRIPTION
PART NO.
PRICE
2 Blocks & 1 Clamp
20-765-4
$249.30
Extra Clamp (for 20-765-4)
20-766-2
51.60
V-Blocks & Clampss
749-1
• For larger and heavier work.
• Made in numbered pairs from mild steel.
• Block features two clamping grooves.
• Lower grooves permit blocks to be clamped to table.
• Dimensions: 2 ⁄ " square x 3" long, work capacity
1
2
of approximately ⁄ " to 2 ⁄ " diameter.
1
2
1
2
• Accuracy: Sides are square with each other within 0.003".
Ends are square with sides within 0.003". V-groove is parallel
and central with sides within 0.002". V-groove is 90º ± ⁄ º. V's
1
2
of pairs are central and parallel to each other within 0.004".
DESCRIPTION
PART NO.
PRICE
2 Blocks & 1 Clamp
20-767-0
$348.10
Extra Clamp (for 20-767-0)
20-768-8
56.75
750-11
• For finest toolroom work.
• Made in numbered pairs from case hardened steel.
• Set consists of two blocks and two clamps.
• Dimensions: 2 ⁄ " square 1 ⁄ " long. Work capacity
1
4
5
8
of approximately 1" diameter.
• Accuracy: Surfaces (except V) are square and parallel
with each within 0.0003". V-grooves are square and
parallel with all surfaces within 0.0003". V is 90º
+0.0000" -0.0002". Corresponding dimensions for
each pair are alike within 0.0003".
DESCRIPTION
PART NO.
PRICE
2 Blocks & 2 Clamp
20-769-6
$380.05
Extra Clamp (for 20-769-6)
20-770-4
49.70
ade
in
numbered
pairs
from
mild
steel
Blocks & Clamp
5
0-
750-1
20-769-6
749
20-765-4
749-1
20-767-0
Series 568
• Hardened and ground.
• V-capacity: 2" round, 1 ⁄ " square.
7
16
• 2 ⁄ " long x 3" wide x 2" high. ⁄ -16" tapped holes.
1 2
3 8
• Precision V-block for the most accurate tool room work.
• V-groove ground central and parallel to sides
and base perfect alignment in matched pairs.
• Holds square or round work. Clamp has screw
holes at 45º and 90°.
• Starrett® model #’s:
— Single set: 568A. (
10-959-5
)
— Matched pair: 568C. (
10-960-3
)
DESCRIPTION
PART NO.
PRICE
One V-Block and Clamp
10-959-5
$261.45
Matched Pair V-Blocks w/Clamps
10-960-3
555.10
Series 578
• Large capacity block is made of hardened steel, precision ground flat, square and parallel.
• Rugged, reversible, hardened clamp can accommodate ⁄ - 4" diameters of almost any shape of work.
9
16
• No clamp interference when the block lies on either side.
• Three available clamp positions.
• Two tapped holes ( ⁄ - 16") in one end for mounting the v-blocks perpendicular to faceplates, etc.
3
8
• Holds square or round work. Clamp has screw holes at 45º and 90°.
• Starrett® model #'s: — Single set: 578A. (
10-725-0
)
— Matched pair: 578B (
10-726-8
)
DESCRIPTION
OAL
H
W
PART NO.
PRICE
For Large Capacity Work V-Block & Clamp
3.4" 3.0" 5.3"
10-725-0
$893.40
Clamp Only w/2 Screws for V-Block
6.0" 1.0" 2.8"
10-726-8
117.75
V-Blocks & Clamps
Series 278
• Precision ground to extreme accuracy. Manufactured
and numbered in pairs, so that the V's in each
block are always in alignment.
• Blocks have a tapped hole through the sides so that they
may be attached to an angle iron by a ⁄ -20 screw.
1 4
• Each block is 1 ⁄ " square and 1 ⁄ " long.
1 4
5 8
• V-capacity is 1".
• Matched pair, includes two V-Blocks and two Clamps.
• Starrett® model #'s: — Matched pair: 278. (
10-957-9
)
— Clamp only: 278B. (
10-996-7
)
DESCRIPTION
PART NO.
PRICE
V-Block w/Clamp Matched Pair
10-957-9
$335.95
Clamp Only (for 10-957-9)
10-996-7
25.40
Series 567
• V-block and clamp can be used on base or on end.
• Recessed clamp allows V-Block to be used on both sides.
• Groove at the stepped end is at a right angle to the base,
handy for holding shouldered studs, round pins, etc.
• Block is 1 ⁄ " square, the base length is 3 ⁄ "
7 8
1 2
and capacity is 1 ⁄ ".
5
16
• Starrett® model #'s: — One V-Block: 567. (
10-958-7
)
— Clamp only: 567B. (
10-995-9
)
DESCRIPTION
PART NO.
PRICE
One V-Block w/clamp
10-958-7
$394.40
Clamp Only (for 10-958-7)
10-995-9
55.15
ks & Clamps
8
Series 568
10-960-3
Series 278
10-957-9
Series 567
10-958-7
Series 578
10-725-0
749
• Made in numbered pairs from mild steel.
• Surfaces (except V) are square and parallel
with each other within 0.002".
• V-grooves are square and parallel with
all surfaces within 0.0035".
• Dimensions: 1 ⁄ " square x 2" long, work
1
2
capacity of approximately 1 ⁄ " diameter.
1
2
DESCRIPTION
PART NO.
PRICE
2 Blocks & 1 Clamp
20-765-4
$249.30
Extra Clamp (for 20-765-4)
20-766-2
51.60
V-Blocks & Clampss
749-1
• For larger and heavier work.
• Made in numbered pairs from mild steel.
• Block features two clamping grooves.
• Lower grooves permit blocks to be clamped to table.
• Dimensions: 2 ⁄ " square x 3" long, work capacity
1
2
of approximately ⁄ " to 2 ⁄ " diameter.
1
2
1
2
• Accuracy: Sides are square with each other within 0.003".
Ends are square with sides within 0.003". V-groove is parallel
and central with sides within 0.002". V-groove is 90º ± ⁄ º. V's
1
2
of pairs are central and parallel to each other within 0.004".
DESCRIPTION
PART NO.
PRICE
2 Blocks & 1 Clamp
20-767-0
$348.10
Extra Clamp (for 20-767-0)
20-768-8
56.75
750-11
• For finest toolroom work.
• Made in numbered pairs from case hardened steel.
• Set consists of two blocks and two clamps.
• Dimensions: 2 ⁄ " square 1 ⁄ " long. Work capacity
1
4
5
8
of approximately 1" diameter.
• Accuracy: Surfaces (except V) are square and parallel
with each within 0.0003". V-grooves are square and
parallel with all surfaces within 0.0003". V is 90º
+0.0000" -0.0002". Corresponding dimensions for
each pair are alike within 0.0003".
DESCRIPTION
PART NO.
PRICE
2 Blocks & 2 Clamp
20-769-6
$380.05
Extra Clamp (for 20-769-6)
20-770-4
49.70
ade
in
numbered
pairs
from
mild
steel
Blocks & Clamp
5
0-
750-1
20-769-6
749
20-765-4
749-1
20-767-0
Series 568
• Hardened and ground.
• V-capacity: 2" round, 1 ⁄ " square.
7
16
• 2 ⁄ " long x 3" wide x 2" high. ⁄ -16" tapped holes.
1 2
3 8
• Precision V-block for the most accurate tool room work.
• V-groove ground central and parallel to sides
and base perfect alignment in matched pairs.
• Holds square or round work. Clamp has screw
holes at 45º and 90°.
• Starrett® model #’s:
— Single set: 568A. (
10-959-5
)
— Matched pair: 568C. (
10-960-3
)
DESCRIPTION
PART NO.
PRICE
One V-Block and Clamp
10-959-5
$261.45
Matched Pair V-Blocks w/Clamps
10-960-3
555.10
Series 578
• Large capacity block is made of hardened steel, precision ground flat, square and parallel.
• Rugged, reversible, hardened clamp can accommodate ⁄ - 4" diameters of almost any shape of work.
9
16
• No clamp interference when the block lies on either side.
• Three available clamp positions.
• Two tapped holes ( ⁄ - 16") in one end for mounting the v-blocks perpendicular to faceplates, etc.
3
8
• Holds square or round work. Clamp has screw holes at 45º and 90°.
• Starrett® model #'s: — Single set: 578A. (
10-725-0
)
— Matched pair: 578B (
10-726-8
)
DESCRIPTION
OAL
H
W
PART NO.
PRICE
For Large Capacity Work V-Block & Clamp
3.4" 3.0" 5.3"
10-725-0
$893.40
Clamp Only w/2 Screws for V-Block
6.0" 1.0" 2.8"
10-726-8
117.75
V-Blocks & Clamps
Series 278
• Precision ground to extreme accuracy. Manufactured
and numbered in pairs, so that the V's in each
block are always in alignment.
• Blocks have a tapped hole through the sides so that they
may be attached to an angle iron by a ⁄ -20 screw.
1 4
• Each block is 1 ⁄ " square and 1 ⁄ " long.
1 4
5 8
• V-capacity is 1".
• Matched pair, includes two V-Blocks and two Clamps.
• Starrett® model #'s: — Matched pair: 278. (
10-957-9
)
— Clamp only: 278B. (
10-996-7
)
DESCRIPTION
PART NO.
PRICE
V-Block w/Clamp Matched Pair
10-957-9
$335.95
Clamp Only (for 10-957-9)
10-996-7
25.40
Series 567
• V-block and clamp can be used on base or on end.
• Recessed clamp allows V-Block to be used on both sides.
• Groove at the stepped end is at a right angle to the base,
handy for holding shouldered studs, round pins, etc.
• Block is 1 ⁄ " square, the base length is 3 ⁄ "
7 8
1 2
and capacity is 1 ⁄ ".
5
16
• Starrett® model #'s: — One V-Block: 567. (
10-958-7
)
— Clamp only: 567B. (
10-995-9
)
DESCRIPTION
PART NO.
PRICE
One V-Block w/clamp
10-958-7
$394.40
Clamp Only (for 10-958-7)
10-995-9
55.15
ks & Clamps
8
Series 568
10-960-3
Series 278
10-957-9
Series 567
10-958-7
Series 578
10-725-0
