Material
Screw carbon steel, grade min. 10.9
Ball, ball-bearing steel.
Ball, ball-bearing steel.
Version
Screw black.
Ball hardened and bright.
Ball hardened and bright.
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Ball pressure screws without head with fine thread form A
from
€2.04
plus sales tax
plus shipping costs
Ball pressure screws without head with fine thread form B
from
€3.75
plus sales tax
plus shipping costs
Description
Material
Screw carbon steel, grade min. 10.9
Ball, ball-bearing steel.
Ball, ball-bearing steel.
Version
Screw black.
Ball hardened and bright.
Ball hardened and bright.
Note
Form A with full ball is used when a clean, polished pressure surface is required. Surfaces which are not plane and parallel can be firmly clamped or supported with Form B with flattened ball because the movable ball can adapt itself up to 9°.
Fine thread enables extremely sensitive alignment of the ball-end thrust screws.
Fine thread enables extremely sensitive alignment of the ball-end thrust screws.
Drawing reference
Form A: with full ball
Form B: with flattened ball
Form B: with flattened ball
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