JBF National plastic crank handles are designed for weight reduction without sacrificing strength and durability. The phenolic folding handle is ideal for limited space situations and combined with a phenolic safety grip, greatly reduces the chances of safety issues. The plastic construction reduces the overall percentage of corrosive surface areas ensuring maximum longevity. For added customization, we offer these crank handles (also known as crank arms) with a blind pilot hole to accommodate custom bore sizes. Please see component diagram below.
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Plastic Crank Handles with Folding Revolving Handles

3.15 Inch (in) Dimension A Plastic Crank Handle with Folding Revolving Handle
Plastic Crank Handles with Folding Revolving Handles

3.94 Inch (in) Dimension A Plastic Crank Handle with Folding Revolving Handle
Plastic Crank Handles with Folding Revolving Handles

5.12 Inch (in) Dimension A Plastic Crank Handle with Folding Revolving Handle
Plastic Crank Handles with Folding Revolving Handles

6.30 Inch (in) Dimension A Plastic Crank Handle with Folding Revolving Handle
Description N/A JBF National plastic crank handles are designed for weight reduction without sacrificing strength and durability. The phenolic folding handle is ideal for limited space situations and combined with a phenolic safety grip, greatly reduces the chances of safety issues. The plastic construction reduces the overall percentage of corrosive surface areas ensuring maximum longevity. For added customization, we offer these crank handles (also known as crank arms) with a blind pilot hole to accommodate custom bore sizes. Please see component diagram below.
Brand N/A JBF National
Brands N/A JBF National
Dimension A N/A 3.15 in N/A 3.94 in N/A 5.12 in N/A 6.30 in
Dimension B N/A 1.42 in N/A 1.57 in N/A 1.93 in N/A 2.17 in
Dimension C N/A 0.87 in N/A 0.94 in N/A 1.10 in N/A 1.34 in
Dimension D N/A 1.18 in N/A 1.34 in N/A 1.57 in N/A 1.77 in
Dimension E N/A 0.157 in N/A 0.157 in N/A 0.236 in N/A 0.236 in
Dimension F N/A 0.51 in N/A 0.63 in N/A 0.63 in N/A 0.67 in
Dimension G N/A 0.91 in N/A 0.98 in N/A 1.34 in N/A 1.50 in
Dimension H N/A 1.97 in N/A 2.56 in N/A 2.56 in N/A 3.35 in
Crank Arm Material N/A Plastic
Handle Material N/A Phenolic
Bore Type N/A Custom
Drawings N/A