EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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Stem Bumpers are designed either for appearance or the need to rest against a flat or tangent surface. Flat and Domed Stem Bumpers are engineered to fit into sheet metal, wood, tubing, casting, fiber, or flakeboard holes.
Stem Type Flat Head Bumpers
Unit of Measure
1 2 3 

Item #

Item Name

Head Diameter

Overall Height

Lead Diameter

Sort by
12306NN1315 N/A 0.173 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.307 in N/A 0.173 in N/A 0.156 in
E13004660013 N/A 0.203 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.345 in N/A 0.203 in N/A 0.160 in
E13004660014 N/A 0.219 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.313 in N/A 0.219 in N/A 0.161 in
E13004660002 N/A 0.250 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.250 in N/A 0.250 in N/A 0.125 in
E13004660011 N/A 0.281 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.313 in N/A 0.281 in N/A 0.160 in
E13004660048 N/A 0.296 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.984 in N/A 0.296 in N/A 0.255 in
12306NN5457 N/A 0.297 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.406 in N/A 0.297 in N/A 0.125 in
E13004660012 N/A 0.297 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.313 in N/A 0.297 in N/A 0.160 in
E13004660026 N/A 0.301 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.641 in N/A 0.301 in N/A 0.218 in
E13004660067 N/A 0.312 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.500 in N/A 0.312 in N/A 0.320 in
12306NN5364 N/A 0.313 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.500 in N/A 0.313 in N/A 0.185 in
E13004660009 N/A 0.313 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.438 in N/A 0.313 in N/A 0.156 in
E13004660039 N/A 0.313 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 1.040 in N/A 0.313 in N/A 0.250 in
E13004660001 N/A 0.315 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.250 in N/A 0.315 in N/A 0.089 in
E13004660022 N/A 0.344 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.500 in N/A 0.344 in N/A 0.207 in
E13004660018 N/A 0.375 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.696 in N/A 0.375 in N/A 0.189 in
E13004660019 N/A 0.375 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.563 in N/A 0.375 in N/A 0.193 in
E13004660004 N/A 0.391 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.406 in N/A 0.391 in N/A 0.125 in
12306LN5408 N/A 0.406 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.438 in N/A 0.406 in N/A 0.183 in
12306PW5351 N/A 0.406 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.438 in N/A 0.406 in N/A 0.312 in
E13004660033 N/A 0.406 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 1.000 in N/A 0.406 in N/A 0.250 in
12306NN5582 N/A 0.415 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 1.000 in N/A 0.415 in N/A 0.320 in
E13004660007 N/A 0.430 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.281 in N/A 0.430 in N/A 0.156 in
E13004660025 N/A 0.434 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.625 in N/A 0.434 in N/A 0.218 in
12306NN5590 N/A 0.437 Inch (in) Overall Height Stem Type Flat Head Bumper N/A 0.750 in N/A 0.437 in N/A 0.260 in
Unit of Measure
1 2 3