Drill Jig Bushing

(AS PER ISO 4247, DIN 172 & 179)

HEADED & HEADLESS PRESS FIT BUSHINGS

BORE SIZE RANGE From To	Outside Diameter (OD)	TOTAL LENGTH L₁			COLLAR/HEAD DIMENSIONS		RADIUS ON BORE	RADIUS ON OD (Only for headless bushings)	CHAMFERS (On bottom of bore and both sides of Head)	RUN OUT (ID to OD)	Entry Chamfer (On OD Bottom)
d₁(F₇)	d₂ (n₆)	Short	Long	Extra Long	Thickness L₂	Diameter d₃	r₁	r₂		z
1.200-1.800	4	6	9	-	2	7	1.2	0.3	0.5 x 45^o	0.01	1x15^o
1.801-2.600	5	6	9	-	2	8	1.2
2.601-3.300	6	8	12	16	2.5	9
3.301-4.000	7					10	1.6	0.4
4.001-5.000	8					11
5.001-6.000	10	10			3	13				0.02
6.001-8.000	12	10	16	20		15	2	0.6
8.001-10.00	15	12				18		0.8			1.3x15^o
10.001-12.00	18	12	20	25	4	22	2.5				1.3x15^o
12.001-15.00	22	16				26					1.5x15^o
15.001-18.00	26	16	28	36		30	4				1.5x15^o
18.001-22.00	30	20			5	34		1.0	0.8 x 45^o
22.001-26.00	35	20	36	45		39					2x15^o
26.001-30.00	42	25				46	6
30.001-35.00	48	25	45	56		52	8			0.04	2.3x15^o
35.001-42.00	55	30	56	67		59					2.3x15^o
42.001-48.00	62				6	66		1.6	1 x 45^o		2.5x15^o
48.001-55.00	70					74
55.001-63.00	78	35	67	78		82
63.001-70.00	85	35	67	78		90
70.001-78.00	95	40	78	105		100

	(All dimensions in mm)
	Press Fit Headed Jig Bushings: Type [A/B] Bore size x OD x Total length to DIN 172. Press Fit Headless Jig Bushings: Type [A/B] Bore size x OD x Total length to DIN 179. Type [A] Radius on top of Bore Type [B] Radius on both ends of Bore