Page 52 - Rappelling
P. 52
The infamous ⁄4-inch threaded Rawl Drive Buttonhead Rawl Drive contraction bolts (left to
1
contraction bolt, complete with the SMC “death right): ⁄8-, ⁄16-, and ⁄4-inch sizes.
1
3
5
hanger.”
One-quarter-inch threaded Rawl Drive bolts A ⁄16-inch buttonhead Rawl contraction bolt with
5
with “good” (left) versus “bad” (right) SMC a “good” SMC hanger. In a good placement in
hangers. solid granite, these bolts are rated at over 4,000
pounds shear strength.
Rappel Anchors 41
Rappelling_i-174_3pp_CS55le.indd 41 7/24/13 10:15 AM
