EKMAN & CO., LTD., 1016 UNION HOUSE, HONG KONG
STUD ANCHORS
Do not require oversize holes. Eliminate templates. Make cast-in-place bolts obsolete. Simply drill hole and install stud anchor through the fixture hole without moving the object to be anchored. Famous RED HEAD undercutting action assures permanent strength.
COST SAVING WAY
Installation of 100 1⁄4" Anchors
Cost of Anchors
RED HEAD
PHILLIPS ANCHORS
RED HEAD | Explosive
Stud Anchor
Powder
Studs
$10.50
1.
DRILL HOLE
Use masonry drill bit-see chart for recommended diameter and depth.
STUD ANCHORS
2
EXPAND ANCHOR
Insert anchor and expand with hand hammer. Setting tools are available for smaller sizes.
$ 9.93
Cost of Explosives
NONE
$ 5.10
Total installation Time
60 min.
60 min.
*Cost of Labor
Total Cost
$ 3.50 $13.43
$ 3.50 $19.10
* Based on $3.50 hourly rate
with power tools).
(installed
Dritt Catalog & Stud❘ Overall Stud Thread Number Size Length Length Length
A
B
D
Drilled Depth Floor/
Pull Out* Shear* Load Load
Wall Ceiling
JS-14C
14"
"
SON
71
JS-14H
V"
21⁄4
A
1/4"
15%"
1%" 2.660
2,020
JS-14M
31⁄4"
2
1
JS-38C.
21⁄4"
1
JS-38H. 1/4"
"
3
1"
1X"
11⁄4"
11⁄4" 4,290 5,170
JS-38M.
31
21"
17
JS-12C⚫
2
14"
JS-12H⚫
1/2"
4%%'
21⁄2"
21⁄41⁄4"
14" 5,620 8,710#
[JS-12M,
"
51⁄4" 3%
安
2
PHILIPS
JS-58C.
JS-58H.
3%"
5
#
13/4"
3
W
I
2
H
2"
21⁄4" 9,240 11,817
JS-58M
»
7
5
#
JS-34C.
41⁄4"
1/2"
21 13′′
JS-34H⚫
"
61⁄4"
JS-34M.
33⁄4"
6
21/4"
31⁄4" 2%′′ 12.650# | 18,017#
2/2
*For 4:1 safety factor use 25% of above capacities in 4,000 p. s. i. concrete.
• Listed by U and FM
Chamfer
prevents
thread damage.
Knurled area acts as setting guide.
Fully sawed 'expansion slots.
Broaching edges insure undercutting of hole.
Exclusive
undercutting ring.
Foot on expander plug keeps hole clean and assures full expansion.
NON-DRILLING ANCHORS
PHIL Red
Cat, Bolt Drilled No. Size Diameter
"(.4375) X." (.5625)
J-14 X" J-38. X J-12. W
J-58.
M
J-34. 1/4"
JT-32
"X" (.6875) 24" (.84375)|
1" (1.00)
'" (.46875)
Vibration-proof, heavy duty anchors where circum. stances make pre-drilling the choice. Unlike lead anchors and friction types, RED HEAD Non-Drilling Anchors are all steel and actually undercut the bot- tom of the hole.
INSTALL IN 2 EASY STEPS
Pull
Thread Drilled Out* Shear* Depth Depth Load Load
X" 11⁄4" 2,912# 1.363 1542"
IK.” 4,825# 3,443#
11
#
2"
7,620# 6,856# |11,570# | 12.153
PHIL
Red H
10
1
3." 17,166 16,516 |
*For 4:1 safety factor use 25% of above capacities in
3,000 p. s. i, concrete.
TIE-WIRE
Diameter of cross-hole 2"
• Listed by
and
FLUSH TYPE
1 DRILL THE HOLE
with conventional carbide masonry bit and insert anchor.
2 DRIVE FLUSH
Expand the anchor with a few hammer blows and bolt ob- ject to be anchored.
MORE THAN A BILLION RED HEAD INSTALLATIONS THROUGHOUT THE WORLD!
SELF-DRILLING
PLUMBING AND PIPING
HEATING AND ELECTRICAL AIR CONDITIONING
STUD
IRON
INDUSTRIAL WORKING MAINTENANCE
NON-DRILLING
MACHINERY MOUNTING
WOOD TO CONCRETE
CONDUIT
EQUIPMENT ANCHORING
TYPICAL SPECIFICATIONS FOR RED HEAD ANCHORS
PIPING SYSTEMS
"Contractors shall furnish and install .. size RED HEAD (Self-Drilling, Non-Drilling, or Stud) Anchors as manufactured by the Phillips Drill Company of Michigan City, In- diana, or equal. The anchor shall be of the cone expansion type, with self-cutting annu- lar broaching grooves, and having pull-out values as established by Pittsburgh Testing Laboratories."
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