Top 6 Best 321 Block

Perfect for machinists, woodworkers, metalworkers, and more. Each block measures 3 by 2 by 1 inches in size. Features 5 threaded 38-16 UNC cross-drilled holes. Calibrate equipment, space workpieces, or collect exact measurements. Includes a set of two 1-2-3 blocks.

Our Part ALL-55500. Heat treated and case hardened to HRC 57-62. Made of precision-grade tool steel hardened and ground on all 6 sides of block. Accuracy and squareness on all sides within .0001-.0002. 23 holes includes 5 38-16 threaded holes for clamping and 18 untapped holes Cross drilling design allows for efficient use of lower weight with maximum strength, Dimensions- 1 x 2 x 3, 2.1 lbs. weight.

This matched pair of blocks is ground to tolerances of .0001. 23 holes, 5 tapped 38-16 TPI and 18 plain. Precision ground and case hardened on all six sides. Squareness of all sides is within .0002 per inch.. Used for set-up, layout and inspection jobs.

With 23 Holes. Squareness 0.0001. Parallelism - 0.0001. Height Accuracy in Pair - 0.0001. Hardness HRC 56-60. Oversize to allow nominal tapping. Finished from 6-16 micro inches. Nominal Tapping 0.0001 to 0.0003. Surface finish. 5 holes tapped to 38-16 and others untapped. Precision ground on all sides. Squareness on all sides. Set includes 5 stainless steel socket head cap screws 1 hex key. Packed in a fitted strong case.

Cutlery knife block set includes 8 inch Chef's Knife, 6 inch Serrated Utility Knife, 5 inch Santoku, 4.5 inch Parer, 6 Steak Knives, Kitchen Shears and Sharpening Knife Block. Built in ceramic sharpeners automatically sharpen straight edge knives with every use. Constructed from forged, high carbon, no stain steel Full tang design for strength and balance. Triple riveted handles are contoured for a secure grip and labeled for easy identification in the block. Kitchen knives covered by a full lifetime warranty.

FitHardened and precision ground 1 x 2 x 3 Block Set. This matched pair of blocks is ground to tolerances of .0001. 23 holes 5 tapped 38-16 TPI and 18 plain.. Package Include1 Pair 2 1-2-3 Block Set. BL-123. Precision ground and case hardened on all six sides Squareness on all sides within 0.0001 Surface finish from 6 to 16 microinches.. The measurement of the actual items may slightly different from the listing images due to manual measurement,please allow 0.5-1mm difference.Thanks for your understanding..

High Precision This 1-2-3 block set has a surface finish of 6-16, parallelism of 0.00021, and hardness of 55-60 HRC with the dimensional accuracy of 0.00011. Easy Clamping Holes Block set with a total of 5 tapped and 18 untapped thru holes for easy clamping and set-up. Durable Material Made of hardened steel 56-60HRC. This 1-2-3 block set includes a shop-hardened case for storage and has a 1-year warranty offered by Fowler High Precision. Inch-Metric Conversion Quickly switch between inch or metric units with a single click allows you to set zero for intermediate or differential measurements hold feature freezes display for later viewing.

Product Dimensions 1 x 2 x 3, 2.1 lbs. weight. 23 holes consists of 5 tapped holes that are 38-16 for clamping and 18 untapped holes. Accuracy with squareness on all sides within .0002 per inch. Hardened and precision Ground on all 6 sides of each block. Cross drilling design gives minimum weight and maximum strength.

Large capacity key lock box enables secure storage of up to five standard 2 inch house keys Shackle fits most ball, biscuit, and tulip door knob styles. Set your own four-digit combination lock box Reset the combination for thousands of personalized combination code options. For indoor and outdoor use Key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching, and shutter door to protect combination dials from weather. Exterior dimensions 4 inch 10.2 centimeter H x 3-14 inch 8.3 centimeter W x 1-34 inch 4.4 centimeter D 1332 inch 10 millimeter diameter shackle with 1-1332 inch 36 millimeter L, 1-78 inch 48 millimeter W Internal Dimensions 3-12in 89mm H x 2-34in 70mm W x 1in 25mm D. Capacity for 5 standard 2 inch house keys Interior dimensions are shaped like an L with top section measuring 0.3 inch x 1.56 inch x 2.95 inch bottom section measures 0.95 inch x 1.51 inch x 3.21 inch. Lock box combination is preset to open on 0-0-0-0. Combination reset instructions included with product..