Oswald Supply

7/8 x 4, square head bolt, square nut and washer for 11 x 15 manhole plate

7/8 x 5, square head bolt, square nut and washer for 11 x 15 manhole plate

7/8 x 6, square head bolt, square nut and washer for 11 x 15 manhole plate

1 x 5, square head bolt, square nut and washer for 12 x 16 manhole plate

1 x 7, square head bolt, square nut and washer for 12 x 16 manhole plate

1 x 4, square head bolt, square nut and washer for 12 x 16 manhole plate

1 x 9, square head bolt, square nut and washer for 12 x 16 manhole plate

5/8 x 4, hex head bolt, hex nut and washer for handhole plate

(ph34y) boiler handhole 3 x 4 yoke, pressed steel

(ph68y) boiler handhole 6 x 8 yoke, pressed steel

(phhcy) boiler handhole yoke, iron

(phhfy1) boiler handhole 3 x 4 yoke, forged steel "fy1"

(phhfy2) boiler handhole 3-1/2 x 4-1/2 yoke, cast iron "fy2"

(phhmko) boiler handhole yoke, cast iron

(phhw369) boiler handhole yoke, cast iron

(pm12my) boiler manhole yoke, pressed steel, 12 x 16 mh 13-1/4"

(pm14my) boiler manhole yoke, pressed steel, 14 x 18 mh 15-1/2"

(pm10p) 12 x 16 x 3/8 elliptical, pressed steel sa516-70, 300# manhole plate

(pm13p) 14 x 18 x 3/8 elliptical, pressed steel sa516-70, 300# manhole plate

(pm1p) 11 x 15 x 1/2 elliptical, pressed steel sa516-70, 600# manhole plate