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 3⁄41⁄41⁄4" Anchors
Cost of Anchors
RED HEAD
PHILLIPS ANCHORS
RED HEAD | Explosive
Stud Anchor
Powder
Studs
$ 9.93
$10.50
Cost of Explosives
NONE
$ 5.10
Total Installation Time
60 min.
60 min.
Cost of Labor
$ 3.50 $13.43
$ 3.50 $19.10 (installed
1.A
DRILL HOLE
Use masonry drill bit-see chart for recommended diameter and depth.
STUD ANCHORS
EXPAND ANCHOR
Insert anchor and expand with hand hammer. Setting tools are available for smaller sizes.
Total Cost
* Based on $3.50 hourly rate
with power tools).
Drill
B
C Catalog & Stud❘ Overall Stud Thread Number Size Length Length | Length
A
D
Pull
Drilled Denth Floor/
Wall
Out* Shear* Load Load
Ceiling
JS-14C
14"
JS-14H
24
1%
X"
15"
13"
2.660# 2,020
JS-14M
JS-38C.
31⁄4" 21⁄4" 1
2"
1
"
*
7"
JS-38H.
3
A
15/m
1/4"
11⁄4"
15"
4,290 5,170
JS-38M.
37%"
2
1
JS-120 →
23⁄41⁄4”
11⁄2"
7"
JS-12H⚫
41⁄4"
21⁄2"
17"
21⁄4"
14"
5,620 #
8,710
JS-12M •
51"
M
3"
2
JS-58C
3%"
11⁄4" 1
抛
"
JS-58H.
5
JS-58M
7
M
JS-34C
JS-34H⚫ JS-34M.
74
3
5
**
11⁄4" 3"
2
24"
24"
9,240 11,817÷
24
1%-
21/2"
31⁄4" 24" 12,650# | 18,017#|
N
6
21/2"
*For 4:1 safety factor use 25% of above capacities in 4,000 p. s. i. concrete.
• Listed by
and
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
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
No. Size
Cat. Bolt Drilled
Diameter
Thread Drilled
Depth Depth
Out* Load
Shear* Load
J-14
(.4375)
X" 1%"
2,912#
1.363#
PHIL
| Red }d"!
J-38.
78
J-12.
W
"
K." (.5625)
(.6875)
2
15/# 1"
4,825 3,443
22
2," 7,620+ 6,856#
PHILLIPS
Red Hd
J-58.
| 27" (.84375)|
"
236
H
11.57012.153#
+----
J-34.
4
JT-32
1" (1.00)
"(.46875)
11⁄4"
3K4
1/
TIE-WIRE
17,166 16,516#
*For 4:1 safety factor use 25% of above capacities in
3,000 p. s. i. concrete.
Diameter of cross-hole 2"
• Listed by
ond
FLUSH TYPE
1 DRILL THE HOLE
with conventional carbide masonry bit and insert anchor.
HI
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
1
IRON
INDUSTRIAL WORKING MAINTENANCE
NON-DRILLING
MACHINERY MOUNTING
WOOD TO CONCRETE
CONDUIT
EQUIPMENT ANCHORING
PIPING SYSTEMS
TYPICAL SPECIFICATIONS FOR RED HEAD ANCHORS
"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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