HEINRICH COMPANY Phone: 262-634-4229   Fax: 262-634-7365
Manufacturer of Industrial Vises and Tools

Cross-Hole Drill Jigs AIR OPERATED

CROSS-HOLE DRILL JIG
Model No. AR-305
Air Operated Cross-Hole Jig

Capacity - 1/8" to 3/4"

Model No. Shipping Weight Net Price
AR-305 **
(Complete)
20 lb. $465.22
AR-305-A
(Jig only)
15 lb. $369.82
I.D. of Liners
Furnished
Holds Standard
ASA Bushings *
5/16" .0135 to .1935
1/2" .1405 to .3437
These liners have v-tapered ends for chip clearance.

CROSS-HOLE DRILL JIG
Model No. AR-605
Air Operated Cross-Hole Jig

Capacity - 3/4" to 1-1/2"

Model No. Shipping Weight Net Price
AR-605 **
(Complete)
27 lb. $541.02
AR-605-A
(Jig only)
22 lb. $412.95
I.D. of Liners
Furnished
Holds Standard
ASA Bushings *
5/16" .0135 to .1935
1/2" .1405 to .3437
3/4" .2812 to. 5625
Without a liner, a 1" O.D. Drill Bushing can be used. .4687 to .7812 (liners straight) for 3/4" diameter stock and larger.

CROSS-HOLE DRILL JIG
Model No. AR-905
Air Operated Cross-Hole Jig

Capacity - 1-1/2 to 2-1/2"

Model No. Shipping Weight Net Price
AR-905 **
(Complete)
47 lb. $929.13
AR-905-A
(Jig only)
43 lb. $771.01
I.D. of Liners
Furnished
Holds Standard
ASA Bushings *
5/16" .0135 to .1935
1/2" .1405 to .3437
3/4" .2812 to. 5625
1" .4687 to .7812
1-3/8" .7187 to 1.0625
Without a liner, a 1-3/4" O.D. Drill Bushing can be used .9687 to 1.4062.
* By use of liner, smaller bushings can be used.
WE DO NOT FURNISH BUSHINGS. THEY MAY BE PURCHASED FROM A LOCAL BUSHING SUPPLIER. Specify: Standard Slip Fit, "SF", Renewable Bushings, 1" long and give size of hole to be drilled or reamed. (Bushings for 905 and AR-905: 1-1/2" long)
** Furnished with No. 34-12CI Foot Treadle and two No. 34-14 Air Hoses.
CROSS-HOLE DRILL JIG APPLICATION PHOTOS
Cross-Hole Jig Application
Cross-Hole Jig Application
Cross-Hole Jig Application
Cross-Hole Jig Application

(Photo 1) The Heinrich Cross Hole Drill Jigs can make cross holes for castle nuts and safety wires.

(Photo 2) Here is the larger of the two bolts. The handle has brought down the upper clamping plate, the bolt head is secure. The adapter liner has been rotated 90 degrees so that it captures the flats of the bolt head. The adapter liner is designed for chip clearance. The "SF" drill bushing fits into the adapter liner from the top. The end stop has been modified to also be a part rest. (Heinrich supplies adapter liners with each unit so various sized OD bushings can be used, and to allow for chip clearance.)

The "SF" drill bushing is held in place by a wedge, on top of the clamping plate. The v-groove in the body is hardened for longer wear.

(Photo 3) Here is the smaller of the two bolts. No adapter liner is used. Instead, the drill bushing is placed upside down in the clamping plate. This picture shows the clamping plate up.

(Photo 4) The clamping plate is down. The drill bushing is holding the head in place. The clamping plate must be raised and lowered a few times during drilling for chip clearance.

Select photos for larger view.