3/16 X 6″ 4 PAIR PARALLEL SET (3900-3004) (SKU: 3900-3004)
3/16 X 1-3/4 X 6″ 4 Pair Parallel Set
- Made from fine quality tool steel that has been stress relieved against distortion
- Precision ground and hardened
- These precision parallels are recommended for layout work, standards and set-up
- The holes are designed for easier handling and set-ups
- Case hardened RC 55 to 62 on 2 sides, top and bottom only
- Tolerance is Parallel to 0.0003 on 2 sides, top and bottom
- The dimensions are withing 0.001″ allowance
- Complete with fitted durable plastic case
- Sizes included are 3/16 X 1, 3/16 X 1-1/4, 3/16 X 1-1/2, and 3/16 X 1-3/4″
Specifications
- 3/16 X 1-3/4 X 6″ 4 Pair Parallel Set
- Made from fine quality tool steel that has been stress relieved against distortion.
- Precision ground and hardened.
- These precision parallels are recommended for layout work, standards and set-up.
- The holes are designed for easier handling and set-ups.
- Case hardened RC 55 to 62 on 2 sides, top and bottom only.
- Tolerance is Parallel to 0.0003 on 2 sides, top and bottom.
- The dimensions are withing 0.001″ allowance.
- Complete with fitted durable plastic case.
- Sizes included are 3/16 X 1, 3/16 X 1-1/4, 3/16 X 1-1/2, and 3/16 X 1-3/4″.
- Weight: 4.2
- Dimensions: L 4, W 8, H 4
Benefits
- Industrial-grade tooling designed for dependable shop performance.
- Supports consistent results when applied with correct setup practices.
- A practical choice for U.S. machine shops and maintenance work.
Recommended use
- Confirm compatibility (size, interface, machine capacity) before ordering.
- Follow safe operating practices and use appropriate PPE.
- Optimize setup rigidity and process parameters for best results.
USA Warehouse Stock — Fast U.S. fulfillment.












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