3-point / 4-point Bend Fixtures for ASTM C393, C1161, D790

G1095, G1096, G1097

This family of bend fixtures is designed for 3-point and 4-point bend testing of plastics, metals, ceramics, tubing, and many other materials. Two base sizes are available, along with an upper anvil, and optional support diameters. Use a base-anvil combination for 3-point bend testing or two bases for 4-point bend testing. The fixtures conform to ASTM C393, C1161, D790, and related standards.

Bases feature movable blocks with multiple V-grooves to accept several support diameters. 10 mm dia. supports are included, and other sizes are available.

The bases feature engraved rulers, dual-graduated with an inch scale on one side and mm scale on the other. Includes integrated eye end mounting, and requires an eye end adapter to mount to Mark-10 force gauges or force sensors, and test stands. The bases also include thru-holes and mounting screws for direct mounting to certain test stands.


  • Designed for 3-point and 4-point bend testing
  • Accommodate a broad sample size range
  • Rugged design
  • Dual graduated rulers - in and mm
  • Recommended for use with a motorized test stand.
  • May be used with eye end adapters or mounted to test stands with mounting screws (except anvil - eye end mounting only).


Model Capacity
lbF [kN]
lb [kg]
Shipping Weight
lb [kg]
Housing material Block material Support material Includes
G1095 500
2024 Al 303 SS 416 SS, hardened Screws for test stand mounting, two 10 mm dia. supports and o-rings
G1096 2,000
2024 Al 303 SS 416 SS, hardened Screws for test stand mounting, two 10 mm dia. supports and o-rings
G1097 2,000
303 SS - 416 SS, hardened 10 mm. dia. support and o-rings

* including two blocks and 10 mm dia. supports

  • HS code:
  • ECCN:
  • Country of origin:

Optional Equipment

Support kits thumbnail

Support kits
1 mm, 2 mm, and 5 mm diameter kits accommodate other testing requirements. Each kit includes four supports and eight o-rings.
Contact Mark-10 for custom sizes up to 15 mm.

eye end adapters photo Eye end adapters
Allow for quick grip installation and removal, and prevent grip rotation.
Mount to common test frames, load cells, and force gauges.


G1095 dimensional drawing
G1096 dimensional drawing
G1097 dimensional drawing

Ordering Information

Model Description US Price
G1095 Bend fixture base, 500 lbF $950.00
G1096 Bend fixture base, 2,000 lbF $1,300.00
G1097 Upper anvil for bend fixture bases, 2,000 lbF $180.00
AC1067 Supports for bend fixtures, 1 mm dia., set of 4 $90.00
AC1067-1 Supports for bend fixtures, 2 mm dia., set of 4 $90.00
AC1067-2 Supports for bend fixtures, 5 mm dia., set of 4 $90.00
AC1067-3 Additional set of supports for bend fixtures, 10 mm dia., set of 4 (included with bend fixture bases) $90.00