JTS Machinery & Supply Co.

Primarily for use in screw machines. Performs well in limited access areas or where extra rigidity is required. Short length provides increased rigidity in machine drilling. Also referred to as stub drills.

LEFT HAND
Left hand helix for screw machine applications where adjacent spindles operate alternately. Also used in drilling out broken studs, bolts and screws.

BLACK OXIDE SURFACE TREATED Increases abrasion resistance, reduces the amount of chip welding & improves the chip flow.

Link to Precision Twist Drill Brand Letter Sizes
Link to Right Hand Letter Sizes
Link to Fractional Sizes
Link to Wire Gauge Sizes


LETTER SIZES - Left Hand*

Dia. (in.)	Length (in.)	Catalog No.	Price ($)

A	2-7/16	1-055-001	3.02	ADD TO CART
B	2-1/2	1-055-002	3.02	ADD TO CART
C	2-1/2	1-055-003	3.02	ADD TO CART
D	2-1/2	1-055-004	3.02	ADD TO CART
E	2-1/2	1-055-005	2.77	ADD TO CART
F	2-5/8	1-055-006	3.41	ADD TO CART
G	2-5/8	1-055-007	3.72	ADD TO CART
H	2-11/16	1-055-008	3.72	ADD TO CART
I	2-11/16	1-055-009	3.72	ADD TO CART
J	2-1/16	1-055-010	4.03	ADD TO CART
K	2-1/16	1-055-011	4.22	ADD TO CART
L	2-3/4	1-055-012	4.22	ADD TO CART
M	2-3/4	1-055-013	4.60	ADD TO CART
N	2-3/16	1-055-014	4.60	ADD TO CART
O	2-5/16	1-055-015	4.60	ADD TO CART
P	2-5/16	1-055-016	5.29	ADD TO CART
Q	3	1-055-017	5.29	ADD TO CART
R	3	1-055-018	5.29	ADD TO CART
S	3-1/16	1-055-019	6.05	ADD TO CART
T	3-1/16	1-055-020	7.12	ADD TO CART
U	3-1/8	1-055-021	7.12	ADD TO CART
V	3-1/4	1-055-022	7.44	ADD TO CART
W	3-1/4	1-055-023	7.81	ADD TO CART
X	3-5/16	1-055-024	9.20	ADD TO CART
Y	3-5/16	1-055-025	10.84	ADD TO CART
Z	3-38	1-055-026	10.84	ADD TO CART

* Availability subject to prior sale. Prices subject to change without notice.
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