Sledge Drive Anchor Systems

Quick, simple anchor designed to develop the full strength of the bar. Recommended for short anchors in rock or concrete. Available with 1-5/8” meter aluminum expansion shell. In temporary situations, bar may be removed and used again. Williams can supply custom length steel drive pipes at your request.

Sledge Drive Mechanical Anchors

Steel
Type
Bar Diameter Recommended
Safe Working
Load to 2:1
Safety Factor
Average
Ultimate
Strength
Drill
Hole
Embedment Depth Minimum Edge Distance Part Number
B8S Cone / Shell
(B7S Cone / Shell)
3000 PSI
Concrete
5000 PSI
Concrete
3000 PSI
Concrete
5000 PSI
Concrete
B1S
Smooth RodB8S
All-Thread N.C. RodB7S
All-Thread Coil Rod
3/8”
(10 mm)
4.9 kips
(21.8 kN)
9.8 kips
(43.6 kN)
1-5/8”
(41 mm)
6”
(152 mm)
5”
(127 mm)
4.8”
(122 mm)
4.2”
(107 mm)
R4M03RB0 / R4A13
(R4MC3RB0 / R4A13)
1/2”
(13 mm)
9 kips
(40.0 kN)
18 kips
(80.1 kN)
1-5/8”
(41 mm)
7”
(178 mm)
6”
(152 mm)
6.4”
(163 mm)
5.6”
(142 mm)
R4M04RB0 / R4A13
(R4MC4RB0 / R4A13)
5/8”
(16 mm)
11.3 kips
(40.0 kN)
22.5 kips
(100 kN)
1-5/8”
(41 mm)
8”
(203 mm)
7”
(178 mm)
7.7”
(196 mm)
6.7”
(170 mm)
R4M05RB0 / R4A13
(R4MC5RB0 / R4A13)
3/4”
(19 mm)
18 kips
(80.0 kN)
36 kips
(160 kN)
1-5/8”
(41 mm)
10”
(254 mm)
9”
(228 mm)
9.2”
(234 mm)
8.1”
(206 mm)
R4M06RAC / R4A13
(R4MC6RAC / R4A13)
7/8”
(22 mm)
29 kips
(129 kN)
58 kips
(258 kN)
1-5/8”
(41 mm)
12”
(305 mm)
11”
(279 mm)
11.4”
(290 mm)
10”
(254 mm)
R4M07RAC / R4A13
(R4MC7RAC / R4A13)
R50 Grade 60
All-Thread Rebar
#4 – 1/2”
(13 mm)
9 kips
(40 kN)
18 kips
(80.1 kN)
1-5/8”
(41 mm)
7”
(178 mm)
6”
(152 mm)
6.4”
(163 mm)
5.6”
(142 mm)
R4MG4RAC / R4A13
#5 – 5/8”
(16 mm)
13.8 kips
(62 kN)
27.9 kips
(124 kN)
1-5/8”
(41 mm)
9”
(228 mm)
8”
(203 mm)
8”
(203 mm)
7”
(178 mm)
R4MG5RAC / R4A13
R61 Grade 75
All-Thread Rebar
#6 – 3/4”
(19 mm)
22 kips
(97.9 kN)
44 kips
(196 kN)
1-5/8”
(41 mm)
11”
(279 mm)
10”
(254 mm)
10”
(254 mm)
9”
(228 mm)
R4MG6RAC / R4A13

Sledge Drive Anchor Installation

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