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Base Clamps

Product catalog summary

Technical Reference Overview
This document provides technical specifications and descriptions for various opto-mechanical components, including mirror mounts, lens holders, specialty optical mounts, post and rod systems, bases, brackets, rail systems, educational kits, and accessories.

Specifications

Model M-B-1.25: Features include clearance for 6-32 (M3) screws, dimensions of 1.25 x 1.58 inches (32 x 40 mm), and four M2 holes on 0.79-inch (20 mm) centers.
Model M-B-2C: Includes clearance for 1/4-20 (M6) screws, dimensions of 0.98 x 2.56 inches (25 x 65 mm), and four M2 holes on 0.79-inch (20 mm) centers.
Model B-2B: Features clearance for 1/4-20 (M6) screws, eight 6-32 holes on 0.625-inch centers (M3 on 16 mm centers), and four M2 holes on 0.79-inch (20 mm) centers.

Base Clamps

Base clamps are designed for securing components to surfaces with 1/4-20 (M6) tapped holes. They are made from stainless steel for enhanced rigidity and thermal stability.
Model BC-5: Short adjustable-height base clamp with dimensions of 0.26 x 0.90 inches (6.6 x 22.9 mm).
Model BC-6: Long adjustable-height base clamp with dimensions of 3.00 x 1.42 inches (76.2 x 36 mm).

Key Features

Stainless steel construction for strength and stability.
Adjustable height for versatile application.
Available in two lengths for different needs.
Notched tip for superior clamping security.

Catalog excerpts

724 SPECIALTY OPTICAL LENS HOLDERS MIRROR MOUNTS TECHNICAL REFERENCE MOUNTS ACCESSORIES EDUCATIONAL KITS RAIL SYSTEMS BASES AND BRACKETS POST AND ROD SYSTEMS Phone: 1-800-222-6440 • Fax: 1-949-253-1680 O p t o - M e c h a n i c s Model M-B-1.25 M4 CLR FOR 6-32 (M3) .20 (5) 1.25 (32) 1.58 (40) 1.58 (40) 1.25 (32) 4 HOLES, M2 ON .79 (20) CENTERS Model M-B-2C CLR FOR 1/4-20 (M6) M4 .20 (5) .98 (25) .51 (13) 2.56 (65) 2.0 (50) 4 HOLES, M2 ON .79 (20) CENTERS Model B-2B CLR FOR 1/4-20 (M6) 8 HOLES, 6-32 ON .625 CENTERS (M3 ON 16 mm CENTERS) 1/4-20 (M6) 4 HOLES, M2 ON .79 (20) CENTERS 1.58 (40) 2.56 (65) 2.0 (50) .39 (10) .11 (2.9) 1.10 (28) See our website CADfor CAD files Base Clamps From left to right: BC-6, BC-5 Base clamps provide flexibility in securing components to any surface having 1/4-20 (M6) tapped holes, where direct bolting is not possible. Newport’s base clamps are made from stainless steel, offering superior rigidity and thermal stability over traditional aluminum designs. These universal clamps are adjustable in height and are available in a short (BC-5) or long (BC-6) version. Ordering Information Model (Metric) Description BC-5 (M-BC-5) Adjustable-Height Base Clamp, Short BC-6 (M-BC-6) Adjustable-Height Base Clamp, Long Note: Screws included Model BC-5 .26 (6.6) .90 (22.9) .63 (16.0) 1/4 (M6) CLR .33 (8.4) .12-.38 (3.2-9.5) 2.00 (50.8) .13 (3.3) .41 (10.4) Model BC-6 3.00 (76.2) (3.2 - 12.7) .12 - .50 .52 .41 (13.2) (10.4) .13 (3.3) .26 (6.6) .67 (17) 1/4 (M6) CLR 1.42 (36) • Stainless steel strength • Adjustable height • Available in two different lengths • Notched tip provides superior clamping security

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